12023311212102 has 32 divisors (see below), whose sum is σ = 24076795183200. Its totient is φ = 4002744729600.

The previous prime is 12023311212049. The next prime is 12023311212109. The reversal of 12023311212102 is 20121211332021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023311212109) 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, 15096774 + ... + 15873222.

It is an arithmetic number, because the mean of its divisors is an integer number (752399849475).

Almost surely, 2^{12023311212102} is an apocalyptic number.

12023311212102 is an abundant number, since it is smaller than the sum of its proper divisors (12053483971098).

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

12023311212102 is a wasteful number, since it uses less digits than its factorization.

12023311212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779688.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12023311212102 its reverse (20121211332021), we get a palindrome (32144522544123).

The spelling of 12023311212102 in words is "twelve trillion, twenty-three billion, three hundred eleven million, two hundred twelve thousand, one hundred two".