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1212000202110 = 235138517291661
BaseRepresentation
bin10001101000110000110…
…101110110110101111110
311021212101101012112120110
4101220300311312311332
5124324134022431420
62324441334330450
7153364331511015
oct21506065666576
94255341175513
101212000202110
114280085765a5
12176a884b9a26
138a3a27c0509
1442938199a7c
15217d849aee0
hex11a30d76d7e

1212000202110 has 32 divisors (see below), whose sum is σ = 2908831457952. Its totient is φ = 323196612480.

The previous prime is 1212000202109. The next prime is 1212000202211. The reversal of 1212000202110 is 112020002121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4009680 + ... + 4301340.

It is an arithmetic number, because the mean of its divisors is an integer number (90900983061).

Almost surely, 21212000202110 is an apocalyptic number.

1212000202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212000202110 is an abundant number, since it is smaller than the sum of its proper divisors (1696831255842).

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

1212000202110 is a wasteful number, since it uses less digits than its factorization.

1212000202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430188.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1212000202110 its reverse (112020002121), we get a palindrome (1324020204231).

The spelling of 1212000202110 in words is "one trillion, two hundred twelve billion, two hundred two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 138517 277034 291661 415551 583322 692585 831102 874983 1385170 1458305 1749966 2077755 2916610 4155510 4374915 8749830 40400006737 80800013474 121200020211 202000033685 242400040422 404000067370 606000101055 1212000202110