1212220222032 has 20 divisors (see below), whose sum is σ = 3131568907040. Its totient is φ = 404073407328.

The previous prime is 1212220222013. The next prime is 1212220222133. The reversal of 1212220222032 is 2302220222121.

It is a super-2 number, since 2×1212220222032² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 12627293932 + ... + 12627294027.

It is an arithmetic number, because the mean of its divisors is an integer number (156578445352).

Almost surely, 2^{1212220222032} is an apocalyptic number.

1212220222032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212220222032 is an abundant number, since it is smaller than the sum of its proper divisors (1919348685008).

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

1212220222032 is a wasteful number, since it uses less digits than its factorization.

1212220222032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25254587970 (or 25254587964 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1212220222032 its reverse (2302220222121), we get a palindrome (3514440444153).

The spelling of 1212220222032 in words is "one trillion, two hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, thirty-two".