212022001123 has 16 divisors (see below), whose sum is σ = 232282788480. Its totient is φ = 192629477376.

The previous prime is 212022001109. The next prime is 212022001133. The reversal of 212022001123 is 321100220212.

It is a happy number.

It is not a de Polignac number, because 212022001123 - 2¹⁷ = 212021870051 is a prime.

It is a super-2 number, since 2×212022001123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212022001097 and 212022001106.

It is not an unprimeable number, because it can be changed into a prime (212022001133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2505715 + ... + 2588947.

It is an arithmetic number, because the mean of its divisors is an integer number (14517674280).

Almost surely, 2^212022001123 is an apocalyptic number.

212022001123 is a deficient number, since it is larger than the sum of its proper divisors (20260787357).

212022001123 is a wasteful number, since it uses less digits than its factorization.

212022001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88446.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212022001123 its reverse (321100220212), we get a palindrome (533122221335).

The spelling of 212022001123 in words is "two hundred twelve billion, twenty-two million, one thousand, one hundred twenty-three".