1213168152 has 64 divisors (see below), whose sum is σ = 3469754880. Its totient is φ = 346263552.

The previous prime is 1213168139. The next prime is 1213168153. The reversal of 1213168152 is 2518613121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213168153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190573 + ... + 196835.

It is an arithmetic number, because the mean of its divisors is an integer number (54214920).

Almost surely, 2^1213168152 is an apocalyptic number.

1213168152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213168152 is an abundant number, since it is smaller than the sum of its proper divisors (2256586728).

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

1213168152 is a wasteful number, since it uses less digits than its factorization.

1213168152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7432 (or 7428 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 1213168152 is about 34830.5634752009. The cubic root of 1213168152 is about 1066.5314510025.

The spelling of 1213168152 in words is "one billion, two hundred thirteen million, one hundred sixty-eight thousand, one hundred fifty-two".