1213133010 has 32 divisors (see below), whose sum is σ = 2982534912. Its totient is φ = 315611520.

The previous prime is 1213132993. The next prime is 1213133029. The reversal of 1213133010 is 103313121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491914 + ... + 494373.

It is an arithmetic number, because the mean of its divisors is an integer number (93204216).

Almost surely, 2^1213133010 is an apocalyptic number.

1213133010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213133010 is an abundant number, since it is smaller than the sum of its proper divisors (1769401902).

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

1213133010 is a wasteful number, since it uses less digits than its factorization.

1213133010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986338.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1213133010 is about 34830.0590008114. The cubic root of 1213133010 is about 1066.5211527846.

Adding to 1213133010 its reverse (103313121), we get a palindrome (1316446131).

The spelling of 1213133010 in words is "one billion, two hundred thirteen million, one hundred thirty-three thousand, ten".