121210202212 has 24 divisors (see below), whose sum is σ = 233692405632. Its totient is φ = 54550044000.

The previous prime is 121210202209. The next prime is 121210202227. The reversal of 121210202212 is 212202012121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13633068 + ... + 13641955.

It is an arithmetic number, because the mean of its divisors is an integer number (9737183568).

Almost surely, 2^121210202212 is an apocalyptic number.

It is an amenable number.

121210202212 is a deficient number, since it is larger than the sum of its proper divisors (112482203420).

121210202212 is a wasteful number, since it uses less digits than its factorization.

121210202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27275139 (or 27275137 counting only the distinct ones).

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

Adding to 121210202212 its reverse (212202012121), we get a palindrome (333412214333).

The spelling of 121210202212 in words is "one hundred twenty-one billion, two hundred ten million, two hundred two thousand, two hundred twelve".