1202112312 has 32 divisors (see below), whose sum is σ = 3006234000. Its totient is φ = 400577024.

The previous prime is 1202112287. The next prime is 1202112341. The reversal of 1202112312 is 2132112021.

1202112312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1202112291 and 1202112300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98314 + ... + 109862.

Almost surely, 2^1202112312 is an apocalyptic number.

1202112312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202112312 is an abundant number, since it is smaller than the sum of its proper divisors (1804121688).

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

1202112312 is a wasteful number, since it uses less digits than its factorization.

1202112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15895 (or 15891 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1202112312 is about 34671.4913437539. The cubic root of 1202112312 is about 1063.2817221461.

Adding to 1202112312 its reverse (2132112021), we get a palindrome (3334224333).

The spelling of 1202112312 in words is "one billion, two hundred two million, one hundred twelve thousand, three hundred twelve".