140351202121212 has 48 divisors (see below), whose sum is σ = 365226176599200. Its totient is φ = 46609816803840.

The previous prime is 140351202121199. The next prime is 140351202121231. The reversal of 140351202121212 is 212121202153041.

140351202121212 is a `hidden beast` number, since 1 + 4 + 0 + 3 + 512 + 0 + 2 + 121 + 21 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2415487989 + ... + 2415546092.

It is an arithmetic number, because the mean of its divisors is an integer number (7608878679150).

Almost surely, 2^{140351202121212} is an apocalyptic number.

140351202121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140351202121212 is an abundant number, since it is smaller than the sum of its proper divisors (224874974477988).

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

140351202121212 is a wasteful number, since it uses less digits than its factorization.

140351202121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831034363 (or 4831034355 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 140351202121212 its reverse (212121202153041), we get a palindrome (352472404274253).

The spelling of 140351202121212 in words is "one hundred forty trillion, three hundred fifty-one billion, two hundred two million, one hundred twenty-one thousand, two hundred twelve".