1212311010 has 16 divisors (see below), whose sum is σ = 2909546496. Its totient is φ = 323282928.

The previous prime is 1212311003. The next prime is 1212311027. The reversal of 1212311010 is 101132121.

It is a Curzon 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, 20205154 + ... + 20205213.

It is an arithmetic number, because the mean of its divisors is an integer number (181846656).

Almost surely, 2^1212311010 is an apocalyptic number.

1212311010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212311010 is an abundant number, since it is smaller than the sum of its proper divisors (1697235486).

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

1212311010 is a wasteful number, since it uses less digits than its factorization.

1212311010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40410377.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1212311010 is about 34818.2568489578. The cubic root of 1212311010 is about 1066.2802123262.

Adding to 1212311010 its reverse (101132121), we get a palindrome (1313443131).

The spelling of 1212311010 in words is "one billion, two hundred twelve million, three hundred eleven thousand, ten".