12145213235022 has 32 divisors (see below), whose sum is σ = 27760727634432. Its totient is φ = 3470030894304.

The previous prime is 12145213234829. The next prime is 12145213235059. The reversal of 12145213235022 is 22053231254121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3910248 + ... + 6291300.

It is an arithmetic number, because the mean of its divisors is an integer number (867522738576).

Almost surely, 2^{12145213235022} is an apocalyptic number.

12145213235022 is an abundant number, since it is smaller than the sum of its proper divisors (15615514399410).

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

12145213235022 is a wasteful number, since it uses less digits than its factorization.

12145213235022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502512.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 12145213235022 its reverse (22053231254121), we get a palindrome (34198444489143).

The spelling of 12145213235022 in words is "twelve trillion, one hundred forty-five billion, two hundred thirteen million, two hundred thirty-five thousand, twenty-two".