354112212123 has 12 divisors (see below), whose sum is σ = 511534376808. Its totient is φ = 236056826880.

The previous prime is 354112212109. The next prime is 354112212161. The reversal of 354112212123 is 321212211453.

It is a happy number.

354112212123 is a `hidden beast` number, since 3 + 5 + 411 + 221 + 2 + 1 + 23 = 666.

It is not a de Polignac number, because 354112212123 - 2⁸ = 354112211867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (354112212323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1373158 + ... + 1610523.

It is an arithmetic number, because the mean of its divisors is an integer number (42627864734).

Almost surely, 2^354112212123 is an apocalyptic number.

354112212123 is a deficient number, since it is larger than the sum of its proper divisors (157422164685).

354112212123 is a wasteful number, since it uses less digits than its factorization.

354112212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996874 (or 2996871 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 354112212123 its reverse (321212211453), we get a palindrome (675324423576).

The spelling of 354112212123 in words is "three hundred fifty-four billion, one hundred twelve million, two hundred twelve thousand, one hundred twenty-three".