1212312132222 has 64 divisors (see below), whose sum is σ = 2612813448960. Its totient is φ = 373593096704.

The previous prime is 1212312132211. The next prime is 1212312132233. The reversal of 1212312132222 is 2222312132121.

It is an interprime number because it is at equal distance from previous prime (1212312132211) and next prime (1212312132233).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1212312132192 and 1212312132201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7642588 + ... + 7799600.

It is an arithmetic number, because the mean of its divisors is an integer number (40825210140).

Almost surely, 2^{1212312132222} is an apocalyptic number.

1212312132222 is an abundant number, since it is smaller than the sum of its proper divisors (1400501316738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212312132222 is a wasteful number, since it uses less digits than its factorization.

1212312132222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158377.

The product of its digits is 1152, while the sum is 24.

Adding to 1212312132222 its reverse (2222312132121), we get a palindrome (3434624264343).

The spelling of 1212312132222 in words is "one trillion, two hundred twelve billion, three hundred twelve million, one hundred thirty-two thousand, two hundred twenty-two".