123212043302 has 16 divisors (see below), whose sum is σ = 194379564672. Its totient is φ = 58493847360.

The previous prime is 123212043299. The next prime is 123212043359. The reversal of 123212043302 is 203340212321.

It is a super-2 number, since 2×123212043302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18744743 + ... + 18751314.

It is an arithmetic number, because the mean of its divisors is an integer number (12148722792).

Almost surely, 2^123212043302 is an apocalyptic number.

123212043302 is a deficient number, since it is larger than the sum of its proper divisors (71167521370).

123212043302 is a wasteful number, since it uses less digits than its factorization.

123212043302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37496143.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 123212043302 its reverse (203340212321), we get a palindrome (326552255623).

The spelling of 123212043302 in words is "one hundred twenty-three billion, two hundred twelve million, forty-three thousand, three hundred two".