120100122121986 has 24 divisors (see below), whose sum is σ = 268611025822464. Its totient is φ = 38741974877880.

The previous prime is 120100122121957. The next prime is 120100122121997. The reversal of 120100122121986 is 689121221001021.

It is a self number, because there is not a number n which added to its sum of digits gives 120100122121986.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107616596326 + ... + 107616597441.

It is an arithmetic number, because the mean of its divisors is an integer number (11192126075936).

Almost surely, 2^{120100122121986} is an apocalyptic number.

120100122121986 is an abundant number, since it is smaller than the sum of its proper divisors (148510903700478).

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

120100122121986 is a wasteful number, since it uses less digits than its factorization.

120100122121986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215233193806 (or 215233193803 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 36.

The spelling of 120100122121986 in words is "one hundred twenty trillion, one hundred billion, one hundred twenty-two million, one hundred twenty-one thousand, nine hundred eighty-six".