120001023142 has 128 divisors (see below), whose sum is σ = 246047735808. Its totient is φ = 42384384000.

The previous prime is 120001023119. The next prime is 120001023151. The reversal of 120001023142 is 241320100021.

It is a super-3 number, since 3×120001023142³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25677318 + ... + 25681990.

It is an arithmetic number, because the mean of its divisors is an integer number (1922247936).

Almost surely, 2^120001023142 is an apocalyptic number.

120001023142 is an abundant number, since it is smaller than the sum of its proper divisors (126046712666).

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

120001023142 is a wasteful number, since it uses less digits than its factorization.

120001023142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120001023142 its reverse (241320100021), we get a palindrome (361321123163).

The spelling of 120001023142 in words is "one hundred twenty billion, one million, twenty-three thousand, one hundred forty-two".