1201320634408 has 32 divisors (see below), whose sum is σ = 2256726165120. Its totient is φ = 599527440000.

The previous prime is 1201320634387. The next prime is 1201320634469. The reversal of 1201320634408 is 8044360231021.

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, 23682913 + ... + 23733583.

It is an arithmetic number, because the mean of its divisors is an integer number (70522692660).

Almost surely, 2^{1201320634408} is an apocalyptic number.

It is an amenable number.

1201320634408 is a deficient number, since it is larger than the sum of its proper divisors (1055405530712).

1201320634408 is a wasteful number, since it uses less digits than its factorization.

1201320634408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56209 (or 56205 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 1201320634408 its reverse (8044360231021), we get a palindrome (9245680865429).

The spelling of 1201320634408 in words is "one trillion, two hundred one billion, three hundred twenty million, six hundred thirty-four thousand, four hundred eight".