123202121030 has 16 divisors (see below), whose sum is σ = 234808748640. Its totient is φ = 46381974912.

The previous prime is 123202121027. The next prime is 123202121033. The reversal of 123202121030 is 30121202321.

123202121030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (123202121027) and next prime (123202121033).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123202121033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362359010 + ... + 362359349.

It is an arithmetic number, because the mean of its divisors is an integer number (14675546790).

Almost surely, 2^123202121030 is an apocalyptic number.

123202121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123202121030 is a deficient number, since it is larger than the sum of its proper divisors (111606627610).

123202121030 is a wasteful number, since it uses less digits than its factorization.

123202121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724718383.

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

Adding to 123202121030 its reverse (30121202321), we get a palindrome (153323323351).

The spelling of 123202121030 in words is "one hundred twenty-three billion, two hundred two million, one hundred twenty-one thousand, thirty".