120142421012 has 24 divisors (see below), whose sum is σ = 222703084800. Its totient is φ = 56515706240.

The previous prime is 120142420999. The next prime is 120142421051. The reversal of 120142421012 is 210124241021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164762 + ... + 517137.

It is an arithmetic number, because the mean of its divisors is an integer number (9279295200).

Almost surely, 2^120142421012 is an apocalyptic number.

It is an amenable number.

120142421012 is a deficient number, since it is larger than the sum of its proper divisors (102560663788).

120142421012 is a wasteful number, since it uses less digits than its factorization.

120142421012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684511 (or 684509 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120142421012 its reverse (210124241021), we get a palindrome (330266662033).

The spelling of 120142421012 in words is "one hundred twenty billion, one hundred forty-two million, four hundred twenty-one thousand, twelve".