121202022212 has 24 divisors (see below), whose sum is σ = 220045862400. Its totient is φ = 58351423680.

The previous prime is 121202022211. The next prime is 121202022299. The reversal of 121202022212 is 212220202121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121202022211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2431193 + ... + 2480544.

It is an arithmetic number, because the mean of its divisors is an integer number (9168577600).

Almost surely, 2^121202022212 is an apocalyptic number.

It is an amenable number.

121202022212 is a deficient number, since it is larger than the sum of its proper divisors (98843840188).

121202022212 is a wasteful number, since it uses less digits than its factorization.

121202022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911971 (or 4911969 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121202022212 its reverse (212220202121), we get a palindrome (333422224333).

The spelling of 121202022212 in words is "one hundred twenty-one billion, two hundred two million, twenty-two thousand, two hundred twelve".