1201331012124 has 12 divisors (see below), whose sum is σ = 2803105694984. Its totient is φ = 400443670704.

The previous prime is 1201331012099. The next prime is 1201331012129. The reversal of 1201331012124 is 4212101331021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1201331012124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201331012129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50055458827 + ... + 50055458850.

Almost surely, 2^{1201331012124} is an apocalyptic number.

It is an amenable number.

1201331012124 is an abundant number, since it is smaller than the sum of its proper divisors (1601774682860).

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

1201331012124 is a wasteful number, since it uses less digits than its factorization.

1201331012124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100110917684 (or 100110917682 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1201331012124 its reverse (4212101331021), we get a palindrome (5413432343145).

The spelling of 1201331012124 in words is "one trillion, two hundred one billion, three hundred thirty-one million, twelve thousand, one hundred twenty-four".