142120023420212 has 48 divisors (see below), whose sum is σ = 250094156981760. Its totient is φ = 70665915734400.

The previous prime is 142120023420163. The next prime is 142120023420241. The reversal of 142120023420212 is 212024320021241.

It is a happy number.

It is a congruent 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, 810512093 + ... + 810687419.

It is an arithmetic number, because the mean of its divisors is an integer number (5210294937120).

Almost surely, 2^{142120023420212} is an apocalyptic number.

It is an amenable number.

142120023420212 is a deficient number, since it is larger than the sum of its proper divisors (107974133561548).

142120023420212 is a wasteful number, since it uses less digits than its factorization.

142120023420212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177272 (or 177270 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 142120023420212 its reverse (212024320021241), we get a palindrome (354144343441453).

The spelling of 142120023420212 in words is "one hundred forty-two trillion, one hundred twenty billion, twenty-three million, four hundred twenty thousand, two hundred twelve".