140212251022 has 4 divisors (see below), whose sum is σ = 210318376536. Its totient is φ = 70106125510.

The previous prime is 140212251019. The next prime is 140212251103. The reversal of 140212251022 is 220152212041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220152212041 = 402757 ⋅546613.

It is a junction number, because it is equal to n+sod(n) for n = 140212250984 and 140212251002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35053062754 + ... + 35053062757.

It is an arithmetic number, because the mean of its divisors is an integer number (52579594134).

Almost surely, 2^140212251022 is an apocalyptic number.

140212251022 is a deficient number, since it is larger than the sum of its proper divisors (70106125514).

140212251022 is an equidigital number, since it uses as much as digits as its factorization.

140212251022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70106125513.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 140212251022 its reverse (220152212041), we get a palindrome (360364463063).

The spelling of 140212251022 in words is "one hundred forty billion, two hundred twelve million, two hundred fifty-one thousand, twenty-two".