121202012222012 has 12 divisors (see below), whose sum is σ = 212108733190200. Its totient is φ = 60599517024816.

The previous prime is 121202012222003. The next prime is 121202012222023. The reversal of 121202012222012 is 210222210202121.

It is a congruent 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, 372088403 + ... + 372413994.

It is an arithmetic number, because the mean of its divisors is an integer number (17675727765850).

Almost surely, 2^{121202012222012} is an apocalyptic number.

It is an amenable number.

121202012222012 is a deficient number, since it is larger than the sum of its proper divisors (90906720968188).

121202012222012 is a wasteful number, since it uses less digits than its factorization.

121202012222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744543100 (or 744543098 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121202012222012 its reverse (210222210202121), we get a palindrome (331424222424133).

The spelling of 121202012222012 in words is "one hundred twenty-one trillion, two hundred two billion, twelve million, two hundred twenty-two thousand, twelve".