123212010331 has 8 divisors (see below), whose sum is σ = 130013968400. Its totient is φ = 116441763840.

The previous prime is 123212010329. The next prime is 123212010353. The reversal of 123212010331 is 133010212321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123212010331 - 2¹ = 123212010329 is a prime.

It is a super-3 number, since 3×123212010331³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123212010299 and 123212010308.

It is not an unprimeable number, because it can be changed into a prime (123212010431) 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, 7919910 + ... + 7935451.

It is an arithmetic number, because the mean of its divisors is an integer number (16251746050).

Almost surely, 2^123212010331 is an apocalyptic number.

123212010331 is a deficient number, since it is larger than the sum of its proper divisors (6801958069).

123212010331 is a wasteful number, since it uses less digits than its factorization.

123212010331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15855789.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123212010331 its reverse (133010212321), we get a palindrome (256222222652).

The spelling of 123212010331 in words is "one hundred twenty-three billion, two hundred twelve million, ten thousand, three hundred thirty-one".