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1201210000012 = 2211319111710631
BaseRepresentation
bin10001011110101101101…
…100100000001010001100
311020211112101112110221201
4101132231230200022030
5124140034230000022
62315454523035244
7152533050350611
oct21365554401214
94224471473851
101201210000012
11423480803000
1217497696bb24
13893731a0a49
14421d30dc508
15213a604e127
hex117adb2028c

1201210000012 has 96 divisors (see below), whose sum is σ = 2436272616960. Its totient is φ = 516755764800.

The previous prime is 1201209999991. The next prime is 1201210000033. The reversal of 1201210000012 is 2100000121021.

It is an interprime number because it is at equal distance from previous prime (1201209999991) and next prime (1201210000033).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112985937 + ... + 112996567.

It is an arithmetic number, because the mean of its divisors is an integer number (25377839760).

Almost surely, 21201210000012 is an apocalyptic number.

It is an amenable number.

1201210000012 is an abundant number, since it is smaller than the sum of its proper divisors (1235062616948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201210000012 is a wasteful number, since it uses less digits than its factorization.

1201210000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11804 (or 11780 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1201210000012 its reverse (2100000121021), we get a palindrome (3301210121033).

The spelling of 1201210000012 in words is "one trillion, two hundred one billion, two hundred ten million, twelve", and thus it is an aban number.

Divisors: 1 2 4 11 19 22 38 44 76 121 209 242 418 484 836 1117 1331 2234 2299 2662 4468 4598 5324 9196 10631 12287 21223 21262 24574 25289 42446 42524 49148 50578 84892 101156 116941 135157 201989 233453 233882 270314 403978 466906 467764 540628 807956 933812 1286351 1486727 2221879 2567983 2572702 2973454 4443758 5135966 5145404 5946908 8887516 10271932 11874827 14149861 23749654 24440669 28247813 28299722 47499308 48881338 56495626 56599444 97762676 112991252 130623097 225621713 261246194 268847359 451243426 522492388 537694718 902486852 1075389436 1436854067 2481838843 2873708134 4963677686 5747416268 9927355372 15805394737 27300227273 31610789474 54600454546 63221578948 109200909092 300302500003 600605000006 1201210000012