1201002011004 has 48 divisors (see below), whose sum is σ = 2817502248960. Its totient is φ = 398168420160.

The previous prime is 1201002010973. The next prime is 1201002011017. The reversal of 1201002011004 is 4001102001021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 14014117 + ... + 14099555.

It is an arithmetic number, because the mean of its divisors is an integer number (58697963520).

Almost surely, 2^{1201002011004} is an apocalyptic number.

It is an amenable number.

1201002011004 is an abundant number, since it is smaller than the sum of its proper divisors (1616500237956).

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

1201002011004 is a wasteful number, since it uses less digits than its factorization.

1201002011004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91770 (or 91768 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1201002011004 its reverse (4001102001021), we get a palindrome (5202104012025).

The spelling of 1201002011004 in words is "one trillion, two hundred one billion, two million, eleven thousand, four".