123012203030 has 16 divisors (see below), whose sum is σ = 221809755024. Its totient is φ = 49118705760.

The previous prime is 123012203023. The next prime is 123012203047. The reversal of 123012203030 is 30302210321.

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, 10765937 + ... + 10777356.

It is an arithmetic number, because the mean of its divisors is an integer number (13863109689).

Almost surely, 2^123012203030 is an apocalyptic number.

123012203030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123012203030 is a deficient number, since it is larger than the sum of its proper divisors (98797551994).

123012203030 is a wasteful number, since it uses less digits than its factorization.

123012203030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21543871.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123012203030 its reverse (30302210321), we get a palindrome (153314413351).

The spelling of 123012203030 in words is "one hundred twenty-three billion, twelve million, two hundred three thousand, thirty".