1401320012 has 24 divisors (see below), whose sum is σ = 2486453760. Its totient is φ = 690927120.

The previous prime is 1401320003. The next prime is 1401320027. The reversal of 1401320012 is 2100231041.

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, 304553 + ... + 309119.

It is an arithmetic number, because the mean of its divisors is an integer number (103602240).

Almost surely, 2^1401320012 is an apocalyptic number.

It is an amenable number.

1401320012 is a deficient number, since it is larger than the sum of its proper divisors (1085133748).

1401320012 is a wasteful number, since it uses less digits than its factorization.

1401320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621 (or 5619 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1401320012 is about 37434.2091141245. The cubic root of 1401320012 is about 1119.0404227876.

Adding to 1401320012 its reverse (2100231041), we get a palindrome (3501551053).

The spelling of 1401320012 in words is "one billion, four hundred one million, three hundred twenty thousand, twelve".