120000020120010 has 64 divisors (see below), whose sum is σ = 320001739430400. Its totient is φ = 31999836787776.

The previous prime is 120000020119949. The next prime is 120000020120011. The reversal of 120000020120010 is 10021020000021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120000020119974 and 120000020120001.

It is not an unprimeable number, because it can be changed into a prime (120000020120011) 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, 55192596 + ... + 57325584.

It is an arithmetic number, because the mean of its divisors is an integer number (5000027178600).

Almost surely, 2^{120000020120010} is an apocalyptic number.

120000020120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120000020120010 is an abundant number, since it is smaller than the sum of its proper divisors (200001719310390).

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

120000020120010 is a wasteful number, since it uses less digits than its factorization.

120000020120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341372 (or 2341366 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120000020120010 its reverse (10021020000021), we get a palindrome (130021040120031).

The spelling of 120000020120010 in words is "one hundred twenty trillion, twenty million, one hundred twenty thousand, ten".