123021002211030 has 192 divisors, whose sum is σ = 399591958012416. Its totient is φ = 25510742208000.

The previous prime is 123021002211011. The next prime is 123021002211067. The reversal of 123021002211030 is 30112200120321.

123021002211030 is a `hidden beast` number, since 1 + 2 + 302 + 100 + 221 + 10 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 123021002210994 and 123021002211012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14674711 + ... + 21479970.

It is an arithmetic number, because the mean of its divisors is an integer number (2081208114648).

Almost surely, 2^{123021002211030} is an apocalyptic number.

123021002211030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123021002211030 is an abundant number, since it is smaller than the sum of its proper divisors (276570955801386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123021002211030 is a wasteful number, since it uses less digits than its factorization.

123021002211030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36155203 (or 36155200 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123021002211030 its reverse (30112200120321), we get a palindrome (153133202331351).

The spelling of 123021002211030 in words is "one hundred twenty-three trillion, twenty-one billion, two million, two hundred eleven thousand, thirty".