142121400302112 has 192 divisors, whose sum is σ = 475020851687424. Its totient is φ = 36129231267840.

The previous prime is 142121400302099. The next prime is 142121400302129. The reversal of 142121400302112 is 211203004121241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204188533 + ... + 204883380.

It is an arithmetic number, because the mean of its divisors is an integer number (2474066935872).

Almost surely, 2^{142121400302112} is an apocalyptic number.

142121400302112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142121400302112 is an abundant number, since it is smaller than the sum of its proper divisors (332899451385312).

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

142121400302112 is a wasteful number, since it uses less digits than its factorization.

142121400302112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409071991 (or 409071983 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 142121400302112 its reverse (211203004121241), we get a palindrome (353324404423353).

The spelling of 142121400302112 in words is "one hundred forty-two trillion, one hundred twenty-one billion, four hundred million, three hundred two thousand, one hundred twelve".