212503020 has 48 divisors (see below), whose sum is σ = 597367008. Its totient is φ = 56442880.

The previous prime is 212503019. The next prime is 212503051. The reversal of 212503020 is 20305212.

212503020 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 8530 + ... + 22310.

It is an arithmetic number, because the mean of its divisors is an integer number (12445146).

Almost surely, 2^212503020 is an apocalyptic number.

212503020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212503020 is an abundant number, since it is smaller than the sum of its proper divisors (384863988).

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

212503020 is a wasteful number, since it uses less digits than its factorization.

212503020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14050 (or 14048 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 212503020 is about 14577.4833218906. The cubic root of 212503020 is about 596.7444228673.

Adding to 212503020 its reverse (20305212), we get a palindrome (232808232).

The spelling of 212503020 in words is "two hundred twelve million, five hundred three thousand, twenty".