22002011121212 has 24 divisors (see below), whose sum is σ = 39331635280896. Its totient is φ = 10764506898288.

The previous prime is 22002011121203. The next prime is 22002011121221. The reversal of 22002011121212 is 21212111020022.

It is an interprime number because it is at equal distance from previous prime (22002011121203) and next prime (22002011121221).

It is a congruent number.

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, 12398408 + ... + 14061455.

It is an arithmetic number, because the mean of its divisors is an integer number (1638818136704).

Almost surely, 2^{22002011121212} is an apocalyptic number.

It is an amenable number.

22002011121212 is a deficient number, since it is larger than the sum of its proper divisors (17329624159684).

22002011121212 is a wasteful number, since it uses less digits than its factorization.

22002011121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26464337 (or 26464335 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22002011121212 its reverse (21212111020022), we get a palindrome (43214122141234).

The spelling of 22002011121212 in words is "twenty-two trillion, two billion, eleven million, one hundred twenty-one thousand, two hundred twelve".