212100150 has 24 divisors (see below), whose sum is σ = 526008744. Its totient is φ = 56560000.

The previous prime is 212100139. The next prime is 212100151. The reversal of 212100150 is 51001212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 706851 + ... + 707150.

It is an arithmetic number, because the mean of its divisors is an integer number (21917031).

Almost surely, 2^212100150 is an apocalyptic number.

212100150 is an abundant number, since it is smaller than the sum of its proper divisors (313908594).

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

212100150 is a wasteful number, since it uses less digits than its factorization.

212100150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414016 (or 1414011 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 212100150 is about 14563.6585376065. The cubic root of 212100150 is about 596.3670752705.

Adding to 212100150 its reverse (51001212), we get a palindrome (263101362).

The spelling of 212100150 in words is "two hundred twelve million, one hundred thousand, one hundred fifty".