12102111012202 has 16 divisors (see below), whose sum is σ = 18804869685000. Its totient is φ = 5837137672960.

The previous prime is 12102111012197. The next prime is 12102111012283. The reversal of 12102111012202 is 20221011120121.

It can be written as a sum of positive squares in 4 ways, for example, as 3185443217961 + 8916667794241 = 1784781^2 + 2986079^2 .

It is a super-2 number, since 2×12102111012202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829131577 + ... + 829146172.

Almost surely, 2^{12102111012202} is an apocalyptic number.

12102111012202 is a deficient number, since it is larger than the sum of its proper divisors (6702758672798).

12102111012202 is a wasteful number, since it uses less digits than its factorization.

12102111012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658277881.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12102111012202 its reverse (20221011120121), we get a palindrome (32323122132323).

The spelling of 12102111012202 in words is "twelve trillion, one hundred two billion, one hundred eleven million, twelve thousand, two hundred two".