212152045 has 8 divisors (see below), whose sum is σ = 290951424. Its totient is φ = 145475664.

The previous prime is 212152037. The next prime is 212152093. The reversal of 212152045 is 540251212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212152045 - 2³ = 212152037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3030709 + ... + 3030778.

It is an arithmetic number, because the mean of its divisors is an integer number (36368928).

Almost surely, 2^212152045 is an apocalyptic number.

It is an amenable number.

212152045 is a deficient number, since it is larger than the sum of its proper divisors (78799379).

212152045 is an equidigital number, since it uses as much as digits as its factorization.

212152045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6061499.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 212152045 is about 14565.4400894721. The cubic root of 212152045 is about 596.4157094426.

The spelling of 212152045 in words is "two hundred twelve million, one hundred fifty-two thousand, forty-five".