1012122111203 has 16 divisors (see below), whose sum is σ = 1167468120000. Its totient is φ = 859495327872.

The previous prime is 1012122111179. The next prime is 1012122111263. The reversal of 1012122111203 is 3021112212101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1012122111203 - 2⁶ = 1012122111139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012122111263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841568 + ... + 1653021.

It is an arithmetic number, because the mean of its divisors is an integer number (72966757500).

Almost surely, 2^{1012122111203} is an apocalyptic number.

1012122111203 is a deficient number, since it is larger than the sum of its proper divisors (155346008797).

1012122111203 is a wasteful number, since it uses less digits than its factorization.

1012122111203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495134.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1012122111203 its reverse (3021112212101), we get a palindrome (4033234323304).

The spelling of 1012122111203 in words is "one trillion, twelve billion, one hundred twenty-two million, one hundred eleven thousand, two hundred three".