1400724312122 has 16 divisors (see below), whose sum is σ = 2133861069312. Its totient is φ = 689512894080.

The previous prime is 1400724312103. The next prime is 1400724312181. The reversal of 1400724312122 is 2212134270041.

It is a happy number.

It is a super-2 number, since 2×1400724312122² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 18864068 + ... + 18938175.

It is an arithmetic number, because the mean of its divisors is an integer number (133366316832).

Almost surely, 2^{1400724312122} is an apocalyptic number.

1400724312122 is a deficient number, since it is larger than the sum of its proper divisors (733136757190).

1400724312122 is a wasteful number, since it uses less digits than its factorization.

1400724312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37802533.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 1400724312122 its reverse (2212134270041), we get a palindrome (3612858582163).

The spelling of 1400724312122 in words is "one trillion, four hundred billion, seven hundred twenty-four million, three hundred twelve thousand, one hundred twenty-two".