1400220440212 has 24 divisors (see below), whose sum is σ = 2674965468672. Its totient is φ = 636031132800.

The previous prime is 1400220440191. The next prime is 1400220440257. The reversal of 1400220440212 is 2120440220041.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 10752133 + ... + 10881580.

It is an arithmetic number, because the mean of its divisors is an integer number (111456894528).

Almost surely, 2^{1400220440212} is an apocalyptic number.

It is an amenable number.

1400220440212 is a deficient number, since it is larger than the sum of its proper divisors (1274745028460).

1400220440212 is a wasteful number, since it uses less digits than its factorization.

1400220440212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21635199 (or 21635197 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1400220440212 its reverse (2120440220041), we get a palindrome (3520660660253).

The spelling of 1400220440212 in words is "one trillion, four hundred billion, two hundred twenty million, four hundred forty thousand, two hundred twelve".