100612121211051 has 16 divisors (see below), whose sum is σ = 135760542428160. Its totient is φ = 66271996623200.

The previous prime is 100612121210959. The next prime is 100612121211127. The reversal of 100612121211051 is 150112121216001.

It is a cyclic number.

It is not a de Polignac number, because 100612121211051 - 2¹⁷ = 100612121079979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100612121211451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346465725 + ... + 346755998.

It is an arithmetic number, because the mean of its divisors is an integer number (8485033901760).

Almost surely, 2^{100612121211051} is an apocalyptic number.

100612121211051 is a deficient number, since it is larger than the sum of its proper divisors (35148421217109).

100612121211051 is a wasteful number, since it uses less digits than its factorization.

100612121211051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693222306.

The product of its (nonzero) digits is 240, while the sum is 24.

Adding to 100612121211051 its reverse (150112121216001), we get a palindrome (250724242427052).

The spelling of 100612121211051 in words is "one hundred trillion, six hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, fifty-one".