402212120323 has 32 divisors (see below), whose sum is σ = 443390976000. Its totient is φ = 362626108416.

The previous prime is 402212120291. The next prime is 402212120327. The reversal of 402212120323 is 323021212204.

It is not a de Polignac number, because 402212120323 - 2⁵ = 402212120291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402212120294 and 402212120303.

It is not an unprimeable number, because it can be changed into a prime (402212120327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31418878 + ... + 31431676.

It is an arithmetic number, because the mean of its divisors is an integer number (13855968000).

Almost surely, 2^402212120323 is an apocalyptic number.

402212120323 is a deficient number, since it is larger than the sum of its proper divisors (41178855677).

402212120323 is a wasteful number, since it uses less digits than its factorization.

402212120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13231.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 402212120323 its reverse (323021212204), we get a palindrome (725233332527).

The spelling of 402212120323 in words is "four hundred two billion, two hundred twelve million, one hundred twenty thousand, three hundred twenty-three".