201012020001123 has 16 divisors (see below), whose sum is σ = 274249609218816. Its totient is φ = 130891236870240.

The previous prime is 201012020001097. The next prime is 201012020001137. The reversal of 201012020001123 is 321100020210102.

It is not a de Polignac number, because 201012020001123 - 2³⁸ = 200737142094179 is a prime.

It is a super-2 number, since 2×201012020001123² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201012020008123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60841738 + ... + 64060448.

It is an arithmetic number, because the mean of its divisors is an integer number (17140600576176).

Almost surely, 2^{201012020001123} is an apocalyptic number.

201012020001123 is a deficient number, since it is larger than the sum of its proper divisors (73237589217693).

201012020001123 is a wasteful number, since it uses less digits than its factorization.

201012020001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702874.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201012020001123 its reverse (321100020210102), we get a palindrome (522112040211225).

The spelling of 201012020001123 in words is "two hundred one trillion, twelve billion, twenty million, one thousand, one hundred twenty-three".