1212124412202 has 64 divisors (see below), whose sum is σ = 2678678553600. Its totient is φ = 362595530880.

The previous prime is 1212124412197. The next prime is 1212124412227. The reversal of 1212124412202 is 2022144212121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3469323 + ... + 3802689.

It is an arithmetic number, because the mean of its divisors is an integer number (41854352400).

Almost surely, 2^{1212124412202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212124412202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339339276800).

1212124412202 is an abundant number, since it is smaller than the sum of its proper divisors (1466554141398).

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

1212124412202 is a wasteful number, since it uses less digits than its factorization.

1212124412202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334091.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1212124412202 its reverse (2022144212121), we get a palindrome (3234268624323).

The spelling of 1212124412202 in words is "one trillion, two hundred twelve billion, one hundred twenty-four million, four hundred twelve thousand, two hundred two".