140012230120021 has 24 divisors (see below), whose sum is σ = 171934789740000. Its totient is φ = 113368370308704.

The previous prime is 140012230120019. The next prime is 140012230120067. The reversal of 140012230120021 is 120021032210041.

It is not a de Polignac number, because 140012230120021 - 2¹ = 140012230120019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140012230129021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215132211 + ... + 215782048.

It is an arithmetic number, because the mean of its divisors is an integer number (7163949572500).

Almost surely, 2^{140012230120021} is an apocalyptic number.

It is an amenable number.

140012230120021 is a deficient number, since it is larger than the sum of its proper divisors (31922559619979).

140012230120021 is a wasteful number, since it uses less digits than its factorization.

140012230120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430914641 (or 430914634 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 140012230120021 its reverse (120021032210041), we get a palindrome (260033262330062).

The spelling of 140012230120021 in words is "one hundred forty trillion, twelve billion, two hundred thirty million, one hundred twenty thousand, twenty-one".