1201001222004 has 24 divisors (see below), whose sum is σ = 2802395000160. Its totient is φ = 400325338464.

The previous prime is 1201001221997. The next prime is 1201001222023. The reversal of 1201001222004 is 4002221001021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440539 + ... + 1611234.

It is an arithmetic number, because the mean of its divisors is an integer number (116766458340).

Almost surely, 2^{1201001222004} is an apocalyptic number.

It is an amenable number.

1201001222004 is an abundant number, since it is smaller than the sum of its proper divisors (1601393778156).

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

1201001222004 is a wasteful number, since it uses less digits than its factorization.

1201001222004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100559 (or 2100557 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1201001222004 its reverse (4002221001021), we get a palindrome (5203222223025).

The spelling of 1201001222004 in words is "one trillion, two hundred one billion, one million, two hundred twenty-two thousand, four".