201042140012 has 48 divisors (see below), whose sum is σ = 428843999808. Its totient is φ = 80500684800.

The previous prime is 201042139993. The next prime is 201042140021. The reversal of 201042140012 is 210041240102.

It is a super-2 number, since 2×201042140012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 1476239 + ... + 1606662.

It is an arithmetic number, because the mean of its divisors is an integer number (8934249996).

Almost surely, 2^201042140012 is an apocalyptic number.

It is an amenable number.

201042140012 is an abundant number, since it is smaller than the sum of its proper divisors (227801859796).

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

201042140012 is a wasteful number, since it uses less digits than its factorization.

201042140012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083066 (or 3083064 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201042140012 its reverse (210041240102), we get a palindrome (411083380114).

The spelling of 201042140012 in words is "two hundred one billion, forty-two million, one hundred forty thousand, twelve".