1400140231212 has 24 divisors (see below), whose sum is σ = 3379648834800. Its totient is φ = 450619844416.

The previous prime is 1400140231201. The next prime is 1400140231213. The reversal of 1400140231212 is 2121320410041.

It is not an unprimeable number, because it can be changed into a prime (1400140231213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2011695387 + ... + 2011696082.

It is an arithmetic number, because the mean of its divisors is an integer number (140818701450).

Almost surely, 2^{1400140231212} is an apocalyptic number.

1400140231212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1400140231212 is an abundant number, since it is smaller than the sum of its proper divisors (1979508603588).

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

1400140231212 is a wasteful number, since it uses less digits than its factorization.

1400140231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023391505 (or 4023391503 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1400140231212 its reverse (2121320410041), we get a palindrome (3521460641253).

The spelling of 1400140231212 in words is "one trillion, four hundred billion, one hundred forty million, two hundred thirty-one thousand, two hundred twelve".