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1213012101110 = 25235273965657
BaseRepresentation
bin10001101001101101001…
…001111100011111110110
311021221222220021100001012
4101221231021330133312
5124333222044213420
62325130003032222
7153431366510615
oct21515511743766
94257886240035
101213012101110
11428487787267
1217710b36b672
138a504335714
14429d272387c
152184722cdc5
hex11a6d27c7f6

1213012101110 has 16 divisors (see below), whose sum is σ = 2278353164256. Its totient is φ = 464108977728.

The previous prime is 1213012101107. The next prime is 1213012101157. The reversal of 1213012101110 is 111012103121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2636982599 + ... + 2636983058.

It is an arithmetic number, because the mean of its divisors is an integer number (142397072766).

Almost surely, 21213012101110 is an apocalyptic number.

1213012101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213012101110 is a deficient number, since it is larger than the sum of its proper divisors (1065341063146).

1213012101110 is a wasteful number, since it uses less digits than its factorization.

1213012101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273965687.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1213012101110 its reverse (111012103121), we get a palindrome (1324024204231).

The spelling of 1213012101110 in words is "one trillion, two hundred thirteen billion, twelve million, one hundred one thousand, one hundred ten".

Divisors: 1 2 5 10 23 46 115 230 5273965657 10547931314 26369828285 52739656570 121301210111 242602420222 606506050555 1213012101110