212769150 has 48 divisors (see below), whose sum is σ = 575641728. Its totient is φ = 51580000.

The previous prime is 212769149. The next prime is 212769157. The reversal of 212769150 is 51967212.

It is a super-2 number, since 2×212769150² = 90541422383445000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212769157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62826 + ... + 66125.

It is an arithmetic number, because the mean of its divisors is an integer number (11992536).

Almost surely, 2^212769150 is an apocalyptic number.

212769150 is an abundant number, since it is smaller than the sum of its proper divisors (362872578).

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

212769150 is a wasteful number, since it uses less digits than its factorization.

212769150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128977 (or 128972 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 212769150 is about 14586.6085845888. The cubic root of 212769150 is about 596.9934316312.

The spelling of 212769150 in words is "two hundred twelve million, seven hundred sixty-nine thousand, one hundred fifty".