1212200210022 has 16 divisors (see below), whose sum is σ = 2439842462832. Its totient is φ = 401493062880.

The previous prime is 1212200210009. The next prime is 1212200210027. The reversal of 1212200210022 is 2200120022121.

It is a super-3 number, since 3×1212200210022³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212200209983 and 1212200210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212200210027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643417429 + ... + 643419312.

It is an arithmetic number, because the mean of its divisors is an integer number (152490153927).

Almost surely, 2^{1212200210022} is an apocalyptic number.

1212200210022 is an abundant number, since it is smaller than the sum of its proper divisors (1227642252810).

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

1212200210022 is a wasteful number, since it uses less digits than its factorization.

1212200210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286836903.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1212200210022 its reverse (2200120022121), we get a palindrome (3412320232143).

The spelling of 1212200210022 in words is "one trillion, two hundred twelve billion, two hundred million, two hundred ten thousand, twenty-two".