1231213010 has 8 divisors (see below), whose sum is σ = 2216183436. Its totient is φ = 492485200.

The previous prime is 1231213007. The next prime is 1231213033. The reversal of 1231213010 is 103121321.

It can be written as a sum of positive squares in 2 ways, for example, as 1225770121 + 5442889 = 35011^2 + 2333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61560641 + ... + 61560660.

Almost surely, 2^1231213010 is an apocalyptic number.

1231213010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231213010 is a deficient number, since it is larger than the sum of its proper divisors (984970426).

1231213010 is a wasteful number, since it uses less digits than its factorization.

1231213010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123121308.

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

The square root of 1231213010 is about 35088.6450294109. The cubic root of 1231213010 is about 1071.7933677855.

Adding to 1231213010 its reverse (103121321), we get a palindrome (1334334331).

The spelling of 1231213010 in words is "one billion, two hundred thirty-one million, two hundred thirteen thousand, ten".