123211202030 has 16 divisors (see below), whose sum is σ = 253463044320. Its totient is φ = 42243840672.

The previous prime is 123211202021. The next prime is 123211202047. The reversal of 123211202030 is 30202112321.

It is a super-2 number, since 2×123211202030² (a number of 23 digits) contains 22 as substring.

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, 880079945 + ... + 880080084.

It is an arithmetic number, because the mean of its divisors is an integer number (15841440270).

Almost surely, 2^123211202030 is an apocalyptic number.

123211202030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123211202030 is an abundant number, since it is smaller than the sum of its proper divisors (130251842290).

123211202030 is a wasteful number, since it uses less digits than its factorization.

123211202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760160043.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123211202030 its reverse (30202112321), we get a palindrome (153413314351).

The spelling of 123211202030 in words is "one hundred twenty-three billion, two hundred eleven million, two hundred two thousand, thirty".