20103201012 has 48 divisors (see below), whose sum is σ = 51379392960. Its totient is φ = 6089405952.

The previous prime is 20103200977. The next prime is 20103201023. The reversal of 20103201012 is 21010230102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1693138 + ... + 1704969.

It is an arithmetic number, because the mean of its divisors is an integer number (1070404020).

Almost surely, 2^20103201012 is an apocalyptic number.

It is an amenable number.

20103201012 is an abundant number, since it is smaller than the sum of its proper divisors (31276191948).

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

20103201012 is a wasteful number, since it uses less digits than its factorization.

20103201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398160 (or 3398158 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20103201012 its reverse (21010230102), we get a palindrome (41113431114).

The spelling of 20103201012 in words is "twenty billion, one hundred three million, two hundred one thousand, twelve".