1401520040012 has 6 divisors (see below), whose sum is σ = 2452660070028. Its totient is φ = 700760020004.

The previous prime is 1401520039987. The next prime is 1401520040057. The reversal of 1401520040012 is 2100400251041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175190004998 + ... + 175190005005.

It is an arithmetic number, because the mean of its divisors is an integer number (408776678338).

Almost surely, 2^{1401520040012} is an apocalyptic number.

It is an amenable number.

1401520040012 is a deficient number, since it is larger than the sum of its proper divisors (1051140030016).

1401520040012 is a wasteful number, since it uses less digits than its factorization.

1401520040012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350380010007 (or 350380010005 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 1401520040012 its reverse (2100400251041), we get a palindrome (3501920291053).

The spelling of 1401520040012 in words is "one trillion, four hundred one billion, five hundred twenty million, forty thousand, twelve".