1202251530123 has 48 divisors (see below), whose sum is σ = 2058844010496. Its totient is φ = 686777719680.

The previous prime is 1202251530119. The next prime is 1202251530143. The reversal of 1202251530123 is 3210351522021.

1202251530123 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 2 + 5 + 1 + 530 + 123 = 666.

It is not a de Polignac number, because 1202251530123 - 2² = 1202251530119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1202251530143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5195590 + ... + 5422052.

It is an arithmetic number, because the mean of its divisors is an integer number (42892583552).

Almost surely, 2^{1202251530123} is an apocalyptic number.

1202251530123 is a deficient number, since it is larger than the sum of its proper divisors (856592480373).

1202251530123 is an equidigital number, since it uses as much as digits as its factorization.

1202251530123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229606 (or 229594 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 1202251530123 in words is "one trillion, two hundred two billion, two hundred fifty-one million, five hundred thirty thousand, one hundred twenty-three".