1213292010 has 64 divisors (see below), whose sum is σ = 3334551552. Its totient is φ = 276768576.

The previous prime is 1213291997. The next prime is 1213292011. The reversal of 1213292010 is 102923121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1213292011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104307 + ... + 115353.

It is an arithmetic number, because the mean of its divisors is an integer number (52102368).

Almost surely, 2^1213292010 is an apocalyptic number.

1213292010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213292010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1667275776).

1213292010 is an abundant number, since it is smaller than the sum of its proper divisors (2121259542).

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

1213292010 is a wasteful number, since it uses less digits than its factorization.

1213292010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11587.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1213292010 is about 34832.3414372333. The cubic root of 1213292010 is about 1066.5677454923.

The spelling of 1213292010 in words is "one billion, two hundred thirteen million, two hundred ninety-two thousand, ten".