123001210142 has 8 divisors (see below), whose sum is σ = 185568300216. Its totient is φ = 61145110072.

The previous prime is 123001210133. The next prime is 123001210159. The reversal of 123001210142 is 241012100321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 123001210142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177747068 + ... + 177747759.

It is an arithmetic number, because the mean of its divisors is an integer number (23196037527).

Almost surely, 2^123001210142 is an apocalyptic number.

123001210142 is a deficient number, since it is larger than the sum of its proper divisors (62567090074).

123001210142 is a wasteful number, since it uses less digits than its factorization.

123001210142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355495002.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 123001210142 its reverse (241012100321), we get a palindrome (364013310463).

The spelling of 123001210142 in words is "one hundred twenty-three billion, one million, two hundred ten thousand, one hundred forty-two".