201001201896672 has 144 divisors (see below), whose sum is σ = 592777145600640. Its totient is φ = 66999302865792.

The previous prime is 201001201896653. The next prime is 201001201896743. The reversal of 201001201896672 is 276698102100102.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×201001201896672² (a number of 29 digits) 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 23 ways as a sum of consecutive naturals, for example, 574805979 + ... + 575155557.

It is an arithmetic number, because the mean of its divisors is an integer number (4116507955560).

Almost surely, 2^{201001201896672} is an apocalyptic number.

It is an amenable number.

201001201896672 is an abundant number, since it is smaller than the sum of its proper divisors (391775943703968).

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

201001201896672 is an equidigital number, since it uses as much as digits as its factorization.

201001201896672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423547 (or 423527 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

Adding to 201001201896672 its reverse (276698102100102), we get a palindrome (477699303996774).

The spelling of 201001201896672 in words is "two hundred one trillion, one billion, two hundred one million, eight hundred ninety-six thousand, six hundred seventy-two".