10120122001987 has 8 divisors (see below), whose sum is σ = 10182667057920. Its totient is φ = 10057582536840.

The previous prime is 10120122001799. The next prime is 10120122002021. The reversal of 10120122001987 is 78910022102101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10120122001987 - 2²⁷ = 10119987784259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10120122001687) 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 7 ways as a sum of consecutive naturals, for example, 2263314 + ... + 5036152.

It is an arithmetic number, because the mean of its divisors is an integer number (1272833382240).

Almost surely, 2^{10120122001987} is an apocalyptic number.

10120122001987 is a deficient number, since it is larger than the sum of its proper divisors (62545055933).

10120122001987 is a wasteful number, since it uses less digits than its factorization.

10120122001987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795393.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 10120122001987 in words is "ten trillion, one hundred twenty billion, one hundred twenty-two million, one thousand, nine hundred eighty-seven".