1400212312 has 16 divisors (see below), whose sum is σ = 2696355360. Its totient is φ = 681184224.

The previous prime is 1400212283. The next prime is 1400212313. The reversal of 1400212312 is 2132120041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400212313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364928 + ... + 2365519.

It is an arithmetic number, because the mean of its divisors is an integer number (168522210).

Almost surely, 2^1400212312 is an apocalyptic number.

It is an amenable number.

1400212312 is a deficient number, since it is larger than the sum of its proper divisors (1296143048).

1400212312 is a wasteful number, since it uses less digits than its factorization.

1400212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730490 (or 4730486 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1400212312 is about 37419.4108986232. The cubic root of 1400212312 is about 1118.7454894817.

Adding to 1400212312 its reverse (2132120041), we get a palindrome (3532332353).

The spelling of 1400212312 in words is "one billion, four hundred million, two hundred twelve thousand, three hundred twelve".