1212202101022 has 24 divisors (see below), whose sum is σ = 1998855696600. Its totient is φ = 550938936240.

The previous prime is 1212202100971. The next prime is 1212202101041. The reversal of 1212202101022 is 2201012022121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1212202100987 and 1212202101005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1907629 + ... + 2462407.

It is an arithmetic number, because the mean of its divisors is an integer number (83285654025).

Almost surely, 2^{1212202101022} is an apocalyptic number.

1212202101022 is a deficient number, since it is larger than the sum of its proper divisors (786653595578).

1212202101022 is a wasteful number, since it uses less digits than its factorization.

1212202101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563832 (or 563821 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1212202101022 its reverse (2201012022121), we get a palindrome (3413214123143).

The spelling of 1212202101022 in words is "one trillion, two hundred twelve billion, two hundred two million, one hundred one thousand, twenty-two".