1012202310123 has 16 divisors (see below), whose sum is σ = 1499708338560. Its totient is φ = 674734327848.

The previous prime is 1012202310121. The next prime is 1012202310127. The reversal of 1012202310123 is 3210132022101.

1012202310123 is a `hidden beast` number, since 10 + 1 + 220 + 2 + 310 + 123 = 666.

It is not a de Polignac number, because 1012202310123 - 2¹ = 1012202310121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012202310096 and 1012202310105.

It is not an unprimeable number, because it can be changed into a prime (1012202310121) 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, 1590165 + ... + 2133782.

It is an arithmetic number, because the mean of its divisors is an integer number (93731771160).

Almost surely, 2^{1012202310123} is an apocalyptic number.

1012202310123 is a deficient number, since it is larger than the sum of its proper divisors (487506028437).

1012202310123 is a wasteful number, since it uses less digits than its factorization.

1012202310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734023 (or 3734017 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1012202310123 its reverse (3210132022101), we get a palindrome (4222334332224).

The spelling of 1012202310123 in words is "one trillion, twelve billion, two hundred two million, three hundred ten thousand, one hundred twenty-three".