1401343212420 has 96 divisors (see below), whose sum is σ = 4359987959040. Its totient is φ = 373669793280.

The previous prime is 1401343212361. The next prime is 1401343212473. The reversal of 1401343212420 is 242123431041.

1401343212420 is a `hidden beast` number, since 1 + 401 + 3 + 4 + 3 + 212 + 42 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10622665 + ... + 10753775.

It is an arithmetic number, because the mean of its divisors is an integer number (45416541240).

Almost surely, 2^{1401343212420} is an apocalyptic number.

1401343212420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401343212420 is an abundant number, since it is smaller than the sum of its proper divisors (2958644746620).

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

1401343212420 is a wasteful number, since it uses less digits than its factorization.

1401343212420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150922 (or 150914 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1401343212420 its reverse (242123431041), we get a palindrome (1643466643461).

The spelling of 1401343212420 in words is "one trillion, four hundred one billion, three hundred forty-three million, two hundred twelve thousand, four hundred twenty".