121201022212 has 6 divisors (see below), whose sum is σ = 212101788878. Its totient is φ = 60600511104.

The previous prime is 121201022209. The next prime is 121201022231. The reversal of 121201022212 is 212220102121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 120920325696 + 280696516 = 347736^2 + 16754^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150127773 + ... + 15150127780.

Almost surely, 2^121201022212 is an apocalyptic number.

It is an amenable number.

121201022212 is a deficient number, since it is larger than the sum of its proper divisors (90900766666).

121201022212 is a wasteful number, since it uses less digits than its factorization.

121201022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30300255557 (or 30300255555 counting only the distinct ones).

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

Adding to 121201022212 its reverse (212220102121), we get a palindrome (333421124333).

The spelling of 121201022212 in words is "one hundred twenty-one billion, two hundred one million, twenty-two thousand, two hundred twelve".