2212123211522 has 8 divisors (see below), whose sum is σ = 3792211219776. Its totient is φ = 948052804932.

The previous prime is 2212123211503. The next prime is 2212123211533. The reversal of 2212123211522 is 2251123212122.

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

It is a junction number, because it is equal to n+sod(n) for n = 2212123211491 and 2212123211500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79004400398 + ... + 79004400425.

It is an arithmetic number, because the mean of its divisors is an integer number (474026402472).

Almost surely, 2^{2212123211522} is an apocalyptic number.

2212123211522 is a deficient number, since it is larger than the sum of its proper divisors (1580088008254).

2212123211522 is a wasteful number, since it uses less digits than its factorization.

2212123211522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158008800832.

The product of its digits is 1920, while the sum is 26.

Adding to 2212123211522 its reverse (2251123212122), we get a palindrome (4463246423644).

The spelling of 2212123211522 in words is "two trillion, two hundred twelve billion, one hundred twenty-three million, two hundred eleven thousand, five hundred twenty-two".