120105121030 has 16 divisors (see below), whose sum is σ = 216198805824. Its totient is φ = 48039917760.

The previous prime is 120105120991. The next prime is 120105121051. The reversal of 120105121030 is 30121501021.

It is a junction number, because it is equal to n+sod(n) for n = 120105120995 and 120105121013.

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, 18606 + ... + 490465.

It is an arithmetic number, because the mean of its divisors is an integer number (13512425364).

Almost surely, 2^120105121030 is an apocalyptic number.

120105121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120105121030 is a deficient number, since it is larger than the sum of its proper divisors (96093684794).

120105121030 is a wasteful number, since it uses less digits than its factorization.

120105121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532671.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 120105121030 its reverse (30121501021), we get a palindrome (150226622051).

The spelling of 120105121030 in words is "one hundred twenty billion, one hundred five million, one hundred twenty-one thousand, thirty".