1212200023332 has 48 divisors (see below), whose sum is σ = 2988654197760. Its totient is φ = 381344475168.

The previous prime is 1212200023327. The next prime is 1212200023339. The reversal of 1212200023332 is 2333200022121.

It is a happy number.

It is a super-2 number, since 2×1212200023332² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212200023299 and 1212200023308.

It is not an unprimeable number, because it can be changed into a prime (1212200023339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10047768 + ... + 10167695.

It is an arithmetic number, because the mean of its divisors is an integer number (62263629120).

Almost surely, 2^{1212200023332} is an apocalyptic number.

1212200023332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212200023332 is an abundant number, since it is smaller than the sum of its proper divisors (1776454174428).

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

1212200023332 is a wasteful number, since it uses less digits than its factorization.

1212200023332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20215752 (or 20215750 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1212200023332 its reverse (2333200022121), we get a palindrome (3545400045453).

The spelling of 1212200023332 in words is "one trillion, two hundred twelve billion, two hundred million, twenty-three thousand, three hundred thirty-two".