201257612 has 6 divisors (see below), whose sum is σ = 352200828. Its totient is φ = 100628804.

The previous prime is 201257603. The next prime is 201257621. The reversal of 201257612 is 216752102.

It is an interprime number because it is at equal distance from previous prime (201257603) and next prime (201257621).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25157198 + ... + 25157205.

It is an arithmetic number, because the mean of its divisors is an integer number (58700138).

Almost surely, 2^201257612 is an apocalyptic number.

It is an amenable number.

201257612 is a deficient number, since it is larger than the sum of its proper divisors (150943216).

201257612 is a wasteful number, since it uses less digits than its factorization.

201257612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50314407 (or 50314405 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 201257612 is about 14186.5292443219. The cubic root of 201257612 is about 586.0267472949.

The spelling of 201257612 in words is "two hundred one million, two hundred fifty-seven thousand, six hundred twelve".