2142350421200 has 60 divisors (see below), whose sum is σ = 5614905706368. Its totient is φ = 779036515200.

The previous prime is 2142350421199. The next prime is 2142350421257. The reversal of 2142350421200 is 21240532412.

It is a self number, because there is not a number n which added to its sum of digits gives 2142350421200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243444512 + ... + 243453311.

Almost surely, 2^{2142350421200} is an apocalyptic number.

2142350421200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142350421200 is an abundant number, since it is smaller than the sum of its proper divisors (3472555285168).

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

2142350421200 is a wasteful number, since it uses less digits than its factorization.

2142350421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486897852 (or 486897841 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 2142350421200 its reverse (21240532412), we get a palindrome (2163590953612).

The spelling of 2142350421200 in words is "two trillion, one hundred forty-two billion, three hundred fifty million, four hundred twenty-one thousand, two hundred".