152211612 has 48 divisors (see below), whose sum is σ = 418998272. Its totient is φ = 42085440.

The previous prime is 152211611. The next prime is 152211617. The reversal of 152211612 is 216112251.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152211611) 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, 26623 + ... + 31830.

Almost surely, 2^152211612 is an apocalyptic number.

152211612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

152211612 is an abundant number, since it is smaller than the sum of its proper divisors (266786660).

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

152211612 is a wasteful number, since it uses less digits than its factorization.

152211612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58498 (or 58496 counting only the distinct ones).

The product of its digits is 240, while the sum is 21.

The square root of 152211612 is about 12337.4070209262. The cubic root of 152211612 is about 533.9278753464.

Adding to 152211612 its reverse (216112251), we get a palindrome (368323863).

The spelling of 152211612 in words is "one hundred fifty-two million, two hundred eleven thousand, six hundred twelve".