212022313131 has 8 divisors (see below), whose sum is σ = 282713636304. Its totient is φ = 141339599360.

The previous prime is 212022313121. The next prime is 212022313157. The reversal of 212022313131 is 131313220212.

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 212022313131 - 2¹⁴ = 212022296747 is a prime.

It is a super-2 number, since 2×212022313131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212022313098 and 212022313107.

It is not an unprimeable number, because it can be changed into a prime (212022313121) 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, 2094666 + ... + 2193551.

It is an arithmetic number, because the mean of its divisors is an integer number (35339204538).

Almost surely, 2^212022313131 is an apocalyptic number.

212022313131 is a deficient number, since it is larger than the sum of its proper divisors (70691323173).

212022313131 is a wasteful number, since it uses less digits than its factorization.

212022313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304701.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212022313131 its reverse (131313220212), we get a palindrome (343335533343).

The spelling of 212022313131 in words is "two hundred twelve billion, twenty-two million, three hundred thirteen thousand, one hundred thirty-one".