1012120202203 has 16 divisors (see below), whose sum is σ = 1130740655616. Its totient is φ = 897969975840.

The previous prime is 1012120202161. The next prime is 1012120202207. The reversal of 1012120202203 is 3022020212101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1012120202203 - 2³³ = 1003530267611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012120202207) by changing a digit.

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, 308275 + ... + 1455772.

It is an arithmetic number, because the mean of its divisors is an integer number (70671290976).

Almost surely, 2^{1012120202203} is an apocalyptic number.

1012120202203 is a deficient number, since it is larger than the sum of its proper divisors (118620453413).

1012120202203 is a wasteful number, since it uses less digits than its factorization.

1012120202203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765314.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1012120202203 its reverse (3022020212101), we get a palindrome (4034140414304).

The spelling of 1012120202203 in words is "one trillion, twelve billion, one hundred twenty million, two hundred two thousand, two hundred three".