1213231150 has 12 divisors (see below), whose sum is σ = 2256610032. Its totient is φ = 485292440.

The previous prime is 1213231141. The next prime is 1213231177. The reversal of 1213231150 is 511323121.

1213231150 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1213231150³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12132262 + ... + 12132361.

It is an arithmetic number, because the mean of its divisors is an integer number (188050836).

Almost surely, 2^1213231150 is an apocalyptic number.

1213231150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213231150 is a deficient number, since it is larger than the sum of its proper divisors (1043378882).

1213231150 is a wasteful number, since it uses less digits than its factorization.

1213231150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24264635 (or 24264630 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1213231150 is about 34831.4678128844. The cubic root of 1213231150 is about 1066.5499118084.

Adding to 1213231150 its reverse (511323121), we get a palindrome (1724554271).

The spelling of 1213231150 in words is "one billion, two hundred thirteen million, two hundred thirty-one thousand, one hundred fifty".