152113212 has 72 divisors (see below), whose sum is σ = 409500000. Its totient is φ = 47443968.

The previous prime is 152113211. The next prime is 152113219. The reversal of 152113212 is 212311251.

152113212 is a `hidden beast` number, since 1 + 521 + 132 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152113211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121164 + ... + 122412.

It is an arithmetic number, because the mean of its divisors is an integer number (5687500).

Almost surely, 2^152113212 is an apocalyptic number.

152113212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152113212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204750000).

152113212 is an abundant number, since it is smaller than the sum of its proper divisors (257386788).

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

152113212 is a wasteful number, since it uses less digits than its factorization.

152113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475 (or 1470 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 152113212 is about 12333.4185042104. The cubic root of 152113212 is about 533.8127947079.

Adding to 152113212 its reverse (212311251), we get a palindrome (364424463).

The spelling of 152113212 in words is "one hundred fifty-two million, one hundred thirteen thousand, two hundred twelve".