212470590 has 128 divisors (see below), whose sum is σ = 567336960. Its totient is φ = 50688000.

The previous prime is 212470571. The next prime is 212470591. The reversal of 212470590 is 95074212.

212470590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212470590² = 90287503229896200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212470591) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1407015 + ... + 1407165.

It is an arithmetic number, because the mean of its divisors is an integer number (4432320).

Almost surely, 2^212470590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212470590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283668480).

212470590 is an abundant number, since it is smaller than the sum of its proper divisors (354866370).

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

212470590 is a wasteful number, since it uses less digits than its factorization.

212470590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298.

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

The square root of 212470590 is about 14576.3709475301. The cubic root of 212470590 is about 596.7140650146.

The spelling of 212470590 in words is "two hundred twelve million, four hundred seventy thousand, five hundred ninety".