121300311212 has 12 divisors (see below), whose sum is σ = 215755472016. Its totient is φ = 59655890640.

The previous prime is 121300311211. The next prime is 121300311217. The reversal of 121300311212 is 212113003121.

It is not an unprimeable number, because it can be changed into a prime (121300311211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248565968 + ... + 248566455.

It is an arithmetic number, because the mean of its divisors is an integer number (17979622668).

Almost surely, 2^121300311212 is an apocalyptic number.

It is an amenable number.

121300311212 is a deficient number, since it is larger than the sum of its proper divisors (94455160804).

121300311212 is a wasteful number, since it uses less digits than its factorization.

121300311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497132488 (or 497132486 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121300311212 its reverse (212113003121), we get a palindrome (333413314333).

The spelling of 121300311212 in words is "one hundred twenty-one billion, three hundred million, three hundred eleven thousand, two hundred twelve".