12120000021102 has 64 divisors (see below), whose sum is σ = 24692147412480. Its totient is φ = 3965345472000.

The previous prime is 12120000021091. The next prime is 12120000021137. The reversal of 12120000021102 is 20112000002121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115496077 + ... + 115600967.

It is an arithmetic number, because the mean of its divisors is an integer number (385814803320).

Almost surely, 2^{12120000021102} is an apocalyptic number.

12120000021102 is an abundant number, since it is smaller than the sum of its proper divisors (12572147391378).

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

12120000021102 is a wasteful number, since it uses less digits than its factorization.

12120000021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106569.

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

Adding to 12120000021102 its reverse (20112000002121), we get a palindrome (32232000023223).

The spelling of 12120000021102 in words is "twelve trillion, one hundred twenty billion, twenty-one thousand, one hundred two".