121881211552236 has 96 divisors (see below), whose sum is σ = 293714814453760. Its totient is φ = 39296239948800.

The previous prime is 121881211552231. The next prime is 121881211552297. The reversal of 121881211552236 is 632255112188121.

It is not an unprimeable number, because it can be changed into a prime (121881211552231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9713966115 + ... + 9713978661.

Almost surely, 2^{121881211552236} is an apocalyptic number.

It is an amenable number.

121881211552236 is an abundant number, since it is smaller than the sum of its proper divisors (171833602901524).

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

121881211552236 is a wasteful number, since it uses less digits than its factorization.

121881211552236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23975 (or 23973 counting only the distinct ones).

The product of its digits is 460800, while the sum is 48.

The spelling of 121881211552236 in words is "one hundred twenty-one trillion, eight hundred eighty-one billion, two hundred eleven million, five hundred fifty-two thousand, two hundred thirty-six".