1213052382 has 32 divisors (see below), whose sum is σ = 2782632960. Its totient is φ = 391306680.

The previous prime is 1213052371. The next prime is 1213052383. The reversal of 1213052382 is 2832503121.

1213052382 is a `hidden beast` number, since 1 + 2 + 130 + 523 + 8 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213052383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360648 + ... + 363995.

It is an arithmetic number, because the mean of its divisors is an integer number (86957280).

Almost surely, 2^1213052382 is an apocalyptic number.

1213052382 is an abundant number, since it is smaller than the sum of its proper divisors (1569580578).

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

1213052382 is a wasteful number, since it uses less digits than its factorization.

1213052382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724685 (or 724679 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1213052382 is about 34828.9015330659. The cubic root of 1213052382 is about 1066.4975243305.

It can be divided in two parts, 121 and 3052382, that added together give a palindrome (3052503).

The spelling of 1213052382 in words is "one billion, two hundred thirteen million, fifty-two thousand, three hundred eighty-two".