201212502 has 32 divisors (see below), whose sum is σ = 413411040. Its totient is φ = 65249280.

The previous prime is 201212491. The next prime is 201212513. The reversal of 201212502 is 205212102.

It is an interprime number because it is at equal distance from previous prime (201212491) and next prime (201212513).

It is a super-2 number, since 2×201212502² = 80972941922200008, which contains 22 as substring.

It is a congruent number.

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, 105574 + ... + 107462.

It is an arithmetic number, because the mean of its divisors is an integer number (12919095).

Almost surely, 2^201212502 is an apocalyptic number.

201212502 is an abundant number, since it is smaller than the sum of its proper divisors (212198538).

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

201212502 is a wasteful number, since it uses less digits than its factorization.

201212502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 201212502 is about 14184.9392667011. The cubic root of 201212502 is about 585.9829598962.

Adding to 201212502 its reverse (205212102), we get a palindrome (406424604).

The spelling of 201212502 in words is "two hundred one million, two hundred twelve thousand, five hundred two".