1212000202112 has 128 divisors (see below), whose sum is σ = 2926039956480. Its totient is φ = 488162304000.

The previous prime is 1212000202109. The next prime is 1212000202211. The reversal of 1212000202112 is 2112020002121.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×1212000202112³ (a number of 37 digits) contains 333 as substring.

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

It is a congruent number.

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, 10467737 + ... + 10582887.

It is an arithmetic number, because the mean of its divisors is an integer number (22859687160).

Almost surely, 2^{1212000202112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212000202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463019978240).

1212000202112 is an abundant number, since it is smaller than the sum of its proper divisors (1714039754368).

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

1212000202112 is a wasteful number, since it uses less digits than its factorization.

1212000202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115880 (or 115868 counting only the distinct ones).

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

Adding to 1212000202112 its reverse (2112020002121), we get a palindrome (3324020204233).

The spelling of 1212000202112 in words is "one trillion, two hundred twelve billion, two hundred two thousand, one hundred twelve".