120142630512346 has 16 divisors (see below), whose sum is σ = 196810029618048. Its totient is φ = 54669452670000.

The previous prime is 120142630512337. The next prime is 120142630512403. The reversal of 120142630512346 is 643215036241021.

It is a junction number, because it is equal to n+sod(n) for n = 120142630512299 and 120142630512308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32541339030 + ... + 32541342721.

It is an arithmetic number, because the mean of its divisors is an integer number (12300626851128).

Almost surely, 2^{120142630512346} is an apocalyptic number.

120142630512346 is a deficient number, since it is larger than the sum of its proper divisors (76667399105702).

120142630512346 is a wasteful number, since it uses less digits than its factorization.

120142630512346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65082681837.

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 120142630512346 its reverse (643215036241021), we get a palindrome (763357666753367).

The spelling of 120142630512346 in words is "one hundred twenty trillion, one hundred forty-two billion, six hundred thirty million, five hundred twelve thousand, three hundred forty-six".