22102121212012 has 24 divisors (see below), whose sum is σ = 40079207168000. Its totient is φ = 10657425529296.

The previous prime is 22102121211991. The next prime is 22102121212033. The reversal of 22102121212012 is 21021212120122.

It is an interprime number because it is at equal distance from previous prime (22102121211991) and next prime (22102121212033).

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, 813282012 + ... + 813309187.

Almost surely, 2^{22102121212012} is an apocalyptic number.

It is an amenable number.

22102121212012 is a deficient number, since it is larger than the sum of its proper divisors (17977085955988).

22102121212012 is a wasteful number, since it uses less digits than its factorization.

22102121212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626591325 (or 1626591323 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22102121212012 its reverse (21021212120122), we get a palindrome (43123333332134).

It can be divided in two parts, 2 and 2102121212012, that multiplied together give a palindrome (4204242424024).

The spelling of 22102121212012 in words is "twenty-two trillion, one hundred two billion, one hundred twenty-one million, two hundred twelve thousand, twelve".