122012002020987 has 48 divisors (see below), whose sum is σ = 194179911333408. Its totient is φ = 73361948175360.

The previous prime is 122012002020941. The next prime is 122012002021027. The reversal of 122012002020987 is 789020200210221.

122012002020987 is a `hidden beast` number, since 1 + 220 + 1 + 200 + 20 + 209 + 8 + 7 = 666.

It is not a de Polignac number, because 122012002020987 - 2⁸ = 122012002020731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122012002060987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39327513 + ... + 42316394.

It is an arithmetic number, because the mean of its divisors is an integer number (4045414819446).

Almost surely, 2^{122012002020987} is an apocalyptic number.

122012002020987 is a deficient number, since it is larger than the sum of its proper divisors (72167909312421).

122012002020987 is a wasteful number, since it uses less digits than its factorization.

122012002020987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81644220 (or 81644217 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 122012002020987 in words is "one hundred twenty-two trillion, twelve billion, two million, twenty thousand, nine hundred eighty-seven".