1212002020212 has 12 divisors (see below), whose sum is σ = 2828004713856. Its totient is φ = 404000673400.

The previous prime is 1212002020183. The next prime is 1212002020213. The reversal of 1212002020212 is 2120202002121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1212002020191 and 1212002020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212002020213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50500084164 + ... + 50500084187.

It is an arithmetic number, because the mean of its divisors is an integer number (235667059488).

Almost surely, 2^{1212002020212} is an apocalyptic number.

1212002020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212002020212 is an abundant number, since it is smaller than the sum of its proper divisors (1616002693644).

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

1212002020212 is a wasteful number, since it uses less digits than its factorization.

1212002020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101000168358 (or 101000168356 counting only the distinct ones).

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

Adding to 1212002020212 its reverse (2120202002121), we get a palindrome (3332204022333).

It can be divided in two parts, 121200 and 2020212, that added together give a palindrome (2141412).

The spelling of 1212002020212 in words is "one trillion, two hundred twelve billion, two million, twenty thousand, two hundred twelve".