121002020121212 has 48 divisors (see below), whose sum is σ = 218843175936000. Its totient is φ = 58480047204480.

The previous prime is 121002020121209. The next prime is 121002020121247. The reversal of 121002020121212 is 212121020200121.

It is a super-2 number, since 2×121002020121212² (a number of 29 digits) contains 22 as substring.

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, 575220989 + ... + 575431307.

It is an arithmetic number, because the mean of its divisors is an integer number (4559232832000).

Almost surely, 2^{121002020121212} is an apocalyptic number.

It is an amenable number.

121002020121212 is a deficient number, since it is larger than the sum of its proper divisors (97841155814788).

121002020121212 is a wasteful number, since it uses less digits than its factorization.

121002020121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215826 (or 215824 counting only the distinct ones).

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

Adding to 121002020121212 its reverse (212121020200121), we get a palindrome (333123040321333).

The spelling of 121002020121212 in words is "one hundred twenty-one trillion, two billion, twenty million, one hundred twenty-one thousand, two hundred twelve".