13121023023212 has 48 divisors (see below), whose sum is σ = 25393787596800. Its totient is φ = 5894986144320.

The previous prime is 13121023023197. The next prime is 13121023023233. The reversal of 13121023023212 is 21232032012131.

It is a super-2 number, since 2×13121023023212² (a number of 27 digits) contains 22 as substring.

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, 22201412 + ... + 22784747.

It is an arithmetic number, because the mean of its divisors is an integer number (529037241600).

Almost surely, 2^{13121023023212} is an apocalyptic number.

It is an amenable number.

13121023023212 is a deficient number, since it is larger than the sum of its proper divisors (12272764573588).

13121023023212 is a wasteful number, since it uses less digits than its factorization.

13121023023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44986326 (or 44986324 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13121023023212 its reverse (21232032012131), we get a palindrome (34353055035343).

The spelling of 13121023023212 in words is "thirteen trillion, one hundred twenty-one billion, twenty-three million, twenty-three thousand, two hundred twelve".