140012001213420 has 192 divisors, whose sum is σ = 448807876070400. Its totient is φ = 31947819171840.

The previous prime is 140012001213419. The next prime is 140012001213503. The reversal of 140012001213420 is 24312100210041.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 711456796 + ... + 711653564.

It is an arithmetic number, because the mean of its divisors is an integer number (2337541021200).

Almost surely, 2^{140012001213420} is an apocalyptic number.

140012001213420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140012001213420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224403938035200).

140012001213420 is an abundant number, since it is smaller than the sum of its proper divisors (308795874856980).

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

140012001213420 is a wasteful number, since it uses less digits than its factorization.

140012001213420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199688 (or 199686 counting only the distinct ones).

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

Adding to 140012001213420 its reverse (24312100210041), we get a palindrome (164324101423461).

The spelling of 140012001213420 in words is "one hundred forty trillion, twelve billion, one million, two hundred thirteen thousand, four hundred twenty".