1201312310 has 192 divisors, whose sum is σ = 2750091264. Its totient is φ = 373401600.

The previous prime is 1201312289. The next prime is 1201312331. The reversal of 1201312310 is 132131021.

It is an interprime number because it is at equal distance from previous prime (1201312289) and next prime (1201312331).

It is a super-2 number, since 2×1201312310² = 2886302532315072200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22666244 + ... + 22666296.

It is an arithmetic number, because the mean of its divisors is an integer number (14323392).

Almost surely, 2^1201312310 is an apocalyptic number.

1201312310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201312310 is an abundant number, since it is smaller than the sum of its proper divisors (1548778954).

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

1201312310 is a wasteful number, since it uses less digits than its factorization.

1201312310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1201312310 is about 34659.9525389173. The cubic root of 1201312310 is about 1063.0457995782.

Adding to 1201312310 its reverse (132131021), we get a palindrome (1333443331).

The spelling of 1201312310 in words is "one billion, two hundred one million, three hundred twelve thousand, three hundred ten".