212754090 has 32 divisors (see below), whose sum is σ = 513216000. Its totient is φ = 56444864.

The previous prime is 212754089. The next prime is 212754103. The reversal of 212754090 is 90457212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12090 + ... + 23909.

It is an arithmetic number, because the mean of its divisors is an integer number (16038000).

Almost surely, 2^212754090 is an apocalyptic number.

212754090 is an abundant number, since it is smaller than the sum of its proper divisors (300461910).

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

212754090 is a wasteful number, since it uses less digits than its factorization.

212754090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36206.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 212754090 is about 14586.0923485353. The cubic root of 212754090 is about 596.9793460472.

The spelling of 212754090 in words is "two hundred twelve million, seven hundred fifty-four thousand, ninety".