1212210112120 has 192 divisors, whose sum is σ = 3299796165600. Its totient is φ = 399292830720.

The previous prime is 1212210112103. The next prime is 1212210112153. The reversal of 1212210112120 is 212110122121.

It is a super-3 number, since 3×1212210112120³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212210112094 and 1212210112103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5023186 + ... + 5258974.

Almost surely, 2^{1212210112120} is an apocalyptic number.

1212210112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212210112120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649898082800).

1212210112120 is an abundant number, since it is smaller than the sum of its proper divisors (2087586053480).

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

1212210112120 is a wasteful number, since it uses less digits than its factorization.

1212210112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235918 (or 235907 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212210112120 its reverse (212110122121), we get a palindrome (1424320234241).

The spelling of 1212210112120 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred twelve thousand, one hundred twenty".