12010021110102 has 128 divisors (see below), whose sum is σ = 27166124113920. Its totient is φ = 3518896550400.

The previous prime is 12010021110071. The next prime is 12010021110103. The reversal of 12010021110102 is 20101112001021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010021110103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 287582299 + ... + 287624057.

It is an arithmetic number, because the mean of its divisors is an integer number (212235344640).

Almost surely, 2^{12010021110102} is an apocalyptic number.

12010021110102 is an abundant number, since it is smaller than the sum of its proper divisors (15156103003818).

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

12010021110102 is a wasteful number, since it uses less digits than its factorization.

12010021110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44698.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12010021110102 its reverse (20101112001021), we get a palindrome (32111133111123).

The spelling of 12010021110102 in words is "twelve trillion, ten billion, twenty-one million, one hundred ten thousand, one hundred two".