12010551102 has 128 divisors (see below), whose sum is σ = 32170245120. Its totient is φ = 3276472320.

The previous prime is 12010551097. The next prime is 12010551181. The reversal of 12010551102 is 20115501021.

12010551102 is a `hidden beast` number, since 1 + 2 + 0 + 10 + 551 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 206398 + ... + 258110.

It is an arithmetic number, because the mean of its divisors is an integer number (251330040).

Almost surely, 2^12010551102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12010551102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16085122560).

12010551102 is an abundant number, since it is smaller than the sum of its proper divisors (20159694018).

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

12010551102 is a wasteful number, since it uses less digits than its factorization.

12010551102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51775 (or 51769 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The spelling of 12010551102 in words is "twelve billion, ten million, five hundred fifty-one thousand, one hundred two".