121464776212 has 96 divisors (see below), whose sum is σ = 247889430432. Its totient is φ = 51576569856.

The previous prime is 121464776189. The next prime is 121464776233. The reversal of 121464776212 is 212677464121.

It can be written as a sum of positive squares in 16 ways, for example, as 15947648656 + 105517127556 = 126284^2 + 324834^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7283788 + ... + 7300444.

It is an arithmetic number, because the mean of its divisors is an integer number (2582181567).

Almost surely, 2^121464776212 is an apocalyptic number.

It is an amenable number.

121464776212 is an abundant number, since it is smaller than the sum of its proper divisors (126424654220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121464776212 is a wasteful number, since it uses less digits than its factorization.

121464776212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16877 (or 16875 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The spelling of 121464776212 in words is "one hundred twenty-one billion, four hundred sixty-four million, seven hundred seventy-six thousand, two hundred twelve".