121766967762 has 32 divisors (see below), whose sum is σ = 274243497984. Its totient is φ = 35708787600.

The previous prime is 121766967761. The next prime is 121766967769. The reversal of 121766967762 is 267769667121.

It is a junction number, because it is equal to n+sod(n) for n = 121766967696 and 121766967705.

It is not an unprimeable number, because it can be changed into a prime (121766967761) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29755278 + ... + 29759369.

It is an arithmetic number, because the mean of its divisors is an integer number (8570109312).

Almost surely, 2^121766967762 is an apocalyptic number.

121766967762 is an abundant number, since it is smaller than the sum of its proper divisors (152476530222).

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

121766967762 is a wasteful number, since it uses less digits than its factorization.

121766967762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59514694.

The product of its digits is 16003008, while the sum is 60.

The spelling of 121766967762 in words is "one hundred twenty-one billion, seven hundred sixty-six million, nine hundred sixty-seven thousand, seven hundred sixty-two".