2142042120420 has 48 divisors (see below), whose sum is σ = 6009737496000. Its totient is φ = 570066512256.

The previous prime is 2142042120389. The next prime is 2142042120431. The reversal of 2142042120420 is 240212402412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35742307 + ... + 35802186.

It is an arithmetic number, because the mean of its divisors is an integer number (125202864500).

Almost surely, 2^{2142042120420} is an apocalyptic number.

2142042120420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142042120420 is an abundant number, since it is smaller than the sum of its proper divisors (3867695375580).

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

2142042120420 is a wasteful number, since it uses less digits than its factorization.

2142042120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71545004 (or 71545002 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 2142042120420 its reverse (240212402412), we get a palindrome (2382254522832).

The spelling of 2142042120420 in words is "two trillion, one hundred forty-two billion, forty-two million, one hundred twenty thousand, four hundred twenty".