1200212210120 has 64 divisors (see below), whose sum is σ = 3366829065600. Its totient is φ = 374092116480.

The previous prime is 1200212210083. The next prime is 1200212210137. The reversal of 1200212210120 is 210122120021.

It is a super-2 number, since 2×1200212210120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1200212210095 and 1200212210104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194836565 + ... + 194842724.

It is an arithmetic number, because the mean of its divisors is an integer number (52606704150).

Almost surely, 2^{1200212210120} is an apocalyptic number.

1200212210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200212210120 is an abundant number, since it is smaller than the sum of its proper divisors (2166616855480).

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

1200212210120 is a wasteful number, since it uses less digits than its factorization.

1200212210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389679318 (or 389679314 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200212210120 its reverse (210122120021), we get a palindrome (1410334330141).

Subtracting from 1200212210120 its reverse (210122120021), we obtain a palindrome (990090090099).

The spelling of 1200212210120 in words is "one trillion, two hundred billion, two hundred twelve million, two hundred ten thousand, one hundred twenty".