1401442243012 has 24 divisors (see below), whose sum is σ = 2838364040960. Its totient is φ = 593015342400.

The previous prime is 1401442242989. The next prime is 1401442243037. The reversal of 1401442243012 is 2103422441041.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316779489 + ... + 316783912.

Almost surely, 2^{1401442243012} is an apocalyptic number.

It is an amenable number.

1401442243012 is an abundant number, since it is smaller than the sum of its proper divisors (1436921797948).

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

1401442243012 is a wasteful number, since it uses less digits than its factorization.

1401442243012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633563491 (or 633563489 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1401442243012 its reverse (2103422441041), we get a palindrome (3504864684053).

The spelling of 1401442243012 in words is "one trillion, four hundred one billion, four hundred forty-two million, two hundred forty-three thousand, twelve".