121202012212 has 24 divisors (see below), whose sum is σ = 212590224000. Its totient is φ = 60462076896.

The previous prime is 121202012189. The next prime is 121202012251. The reversal of 121202012212 is 212210202121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4041489 + ... + 4071367.

It is an arithmetic number, because the mean of its divisors is an integer number (8857926000).

Almost surely, 2^121202012212 is an apocalyptic number.

It is an amenable number.

121202012212 is a deficient number, since it is larger than the sum of its proper divisors (91388211788).

121202012212 is a wasteful number, since it uses less digits than its factorization.

121202012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32175 (or 32173 counting only the distinct ones).

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

Adding to 121202012212 its reverse (212210202121), we get a palindrome (333412214333).

The spelling of 121202012212 in words is "one hundred twenty-one billion, two hundred two million, twelve thousand, two hundred twelve".