201525523012 has 24 divisors (see below), whose sum is σ = 385839306720. Its totient is φ = 91338519360.

The previous prime is 201525522983. The next prime is 201525523033. The reversal of 201525523012 is 210325525102.

It is a super-3 number, since 3×201525523012³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6584337 + ... + 6614872.

It is an arithmetic number, because the mean of its divisors is an integer number (16076637780).

Almost surely, 2^201525523012 is an apocalyptic number.

201525523012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201525523012 is a deficient number, since it is larger than the sum of its proper divisors (184313783708).

201525523012 is a wasteful number, since it uses less digits than its factorization.

201525523012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199571 (or 13199569 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 201525523012 in words is "two hundred one billion, five hundred twenty-five million, five hundred twenty-three thousand, twelve".