10402203312 has 60 divisors (see below), whose sum is σ = 29399997744. Its totient is φ = 3433065600.

The previous prime is 10402203283. The next prime is 10402203313. The reversal of 10402203312 is 21330220401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10402203313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343068 + ... + 372155.

Almost surely, 2^10402203312 is an apocalyptic number.

10402203312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10402203312 is an abundant number, since it is smaller than the sum of its proper divisors (18997794432).

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

10402203312 is a wasteful number, since it uses less digits than its factorization.

10402203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715338 (or 715329 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10402203312 its reverse (21330220401), we get a palindrome (31732423713).

The spelling of 10402203312 in words is "ten billion, four hundred two million, two hundred three thousand, three hundred twelve".