1020120000102 has 32 divisors (see below), whose sum is σ = 2590780953600. Its totient is φ = 291462857064.

The previous prime is 1020120000073. The next prime is 1020120000131. The reversal of 1020120000102 is 2010000210201.

It is an interprime number because it is at equal distance from previous prime (1020120000073) and next prime (1020120000131).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1349364702 + ... + 1349365457.

It is an arithmetic number, because the mean of its divisors is an integer number (80961904800).

Almost surely, 2^{1020120000102} is an apocalyptic number.

1020120000102 is an abundant number, since it is smaller than the sum of its proper divisors (1570660953498).

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

1020120000102 is a wasteful number, since it uses less digits than its factorization.

1020120000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698730177 (or 2698730171 counting only the distinct ones).

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

Adding to 1020120000102 its reverse (2010000210201), we get a palindrome (3030120210303).

The spelling of 1020120000102 in words is "one trillion, twenty billion, one hundred twenty million, one hundred two", and thus it is an aban number.