121210022212 has 12 divisors (see below), whose sum is σ = 212387071120. Its totient is φ = 60528001896.

The previous prime is 121210022201. The next prime is 121210022243. The reversal of 121210022212 is 212220012121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19248762 + ... + 19255057.

Almost surely, 2^121210022212 is an apocalyptic number.

It is an amenable number.

121210022212 is a deficient number, since it is larger than the sum of its proper divisors (91177048908).

121210022212 is a wasteful number, since it uses less digits than its factorization.

121210022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38504610 (or 38504608 counting only the distinct ones).

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

Adding to 121210022212 its reverse (212220012121), we get a palindrome (333430034333).

The spelling of 121210022212 in words is "one hundred twenty-one billion, two hundred ten million, twenty-two thousand, two hundred twelve".