212452152 has 32 divisors (see below), whose sum is σ = 579415680. Its totient is φ = 64379360.

The previous prime is 212452147. The next prime is 212452157. The reversal of 212452152 is 251254212.

It is an interprime number because it is at equal distance from previous prime (212452147) and next prime (212452157).

It is a super-2 number, since 2×212452152² = 90271833778862208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212452157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402108 + ... + 402635.

It is an arithmetic number, because the mean of its divisors is an integer number (18106740).

Almost surely, 2^212452152 is an apocalyptic number.

212452152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212452152 is an abundant number, since it is smaller than the sum of its proper divisors (366963528).

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

212452152 is a wasteful number, since it uses less digits than its factorization.

212452152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804763 (or 804759 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 212452152 is about 14575.7384718580. The cubic root of 212452152 is about 596.6968037516.

The spelling of 212452152 in words is "two hundred twelve million, four hundred fifty-two thousand, one hundred fifty-two".