212038520 has 16 divisors (see below), whose sum is σ = 477086760. Its totient is φ = 84815392.

The previous prime is 212038513. The next prime is 212038529. The reversal of 212038520 is 25830212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212038529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2650442 + ... + 2650521.

Almost surely, 2^212038520 is an apocalyptic number.

212038520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212038520 is an abundant number, since it is smaller than the sum of its proper divisors (265048240).

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

212038520 is a wasteful number, since it uses less digits than its factorization.

212038520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300974 (or 5300970 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 212038520 is about 14561.5425007106. The cubic root of 212038520 is about 596.3093074922.

Adding to 212038520 its reverse (25830212), we get a palindrome (237868732).

The spelling of 212038520 in words is "two hundred twelve million, thirty-eight thousand, five hundred twenty".