1230312202 has 16 divisors (see below), whose sum is σ = 2233172160. Its totient is φ = 496260288.

The previous prime is 1230312157. The next prime is 1230312203. The reversal of 1230312202 is 2022130321.

It is a super-2 number, since 2×1230312202² = 3027336228780177608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230312203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2584452 + ... + 2584927.

It is an arithmetic number, because the mean of its divisors is an integer number (139573260).

Almost surely, 2^1230312202 is an apocalyptic number.

1230312202 is a deficient number, since it is larger than the sum of its proper divisors (1002859958).

1230312202 is a wasteful number, since it uses less digits than its factorization.

1230312202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169405.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1230312202 is about 35075.8065053393. The cubic root of 1230312202 is about 1071.5319140836.

Adding to 1230312202 its reverse (2022130321), we get a palindrome (3252442523).

The spelling of 1230312202 in words is "one billion, two hundred thirty million, three hundred twelve thousand, two hundred two".