1231301012 has 12 divisors (see below), whose sum is σ = 2207332596. Its totient is φ = 600634560.

The previous prime is 1231301011. The next prime is 1231301017. The reversal of 1231301012 is 2101031321.

It can be written as a sum of positive squares in 2 ways, for example, as 595555216 + 635745796 = 24404^2 + 25214^2 .

It is a super-2 number, since 2×1231301012² = 3032204364304448288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231301011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3753803 + ... + 3754130.

It is an arithmetic number, because the mean of its divisors is an integer number (183944383).

Almost surely, 2^1231301012 is an apocalyptic number.

It is an amenable number.

1231301012 is a deficient number, since it is larger than the sum of its proper divisors (976031584).

1231301012 is a wasteful number, since it uses less digits than its factorization.

1231301012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507978 (or 7507976 counting only the distinct ones).

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

The square root of 1231301012 is about 35089.8990024195. The cubic root of 1231301012 is about 1071.8189029588.

Adding to 1231301012 its reverse (2101031321), we get a palindrome (3332332333).

The spelling of 1231301012 in words is "one billion, two hundred thirty-one million, three hundred one thousand, twelve".