12122112002 has 32 divisors (see below), whose sum is σ = 24413768064. Its totient is φ = 4359600000.

The previous prime is 12122111993. The next prime is 12122112031. The reversal of 12122112002 is 20021122121.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 3025499 + ... + 3029502.

It is an arithmetic number, because the mean of its divisors is an integer number (762930252).

Almost surely, 2^12122112002 is an apocalyptic number.

12122112002 is an abundant number, since it is smaller than the sum of its proper divisors (12291656062).

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

12122112002 is a wasteful number, since it uses less digits than its factorization.

12122112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055034.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12122112002 its reverse (20021122121), we get a palindrome (32143234123).

The spelling of 12122112002 in words is "twelve billion, one hundred twenty-two million, one hundred twelve thousand, two".