140252111212 has 24 divisors (see below), whose sum is σ = 253521515520. Its totient is φ = 67820300880.

The previous prime is 140252111203. The next prime is 140252111221. The reversal of 140252111212 is 212111252041.

It is an interprime number because it is at equal distance from previous prime (140252111203) and next prime (140252111221).

It is a super-2 number, since 2×140252111212² (a number of 23 digits) contains 22 as substring.

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, 169438 + ... + 556069.

It is an arithmetic number, because the mean of its divisors is an integer number (10563396480).

Almost surely, 2^140252111212 is an apocalyptic number.

It is an amenable number.

140252111212 is a deficient number, since it is larger than the sum of its proper divisors (113269404308).

140252111212 is a wasteful number, since it uses less digits than its factorization.

140252111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727101 (or 727099 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 140252111212 its reverse (212111252041), we get a palindrome (352363363253).

The spelling of 140252111212 in words is "one hundred forty billion, two hundred fifty-two million, one hundred eleven thousand, two hundred twelve".