1212440420002 has 16 divisors (see below), whose sum is σ = 2200732191360. Its totient is φ = 489051597888.

The previous prime is 1212440419921. The next prime is 1212440420027. The reversal of 1212440420002 is 2000240442121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2547143502 + ... + 2547143977.

It is an arithmetic number, because the mean of its divisors is an integer number (137545761960).

Almost surely, 2^{1212440420002} is an apocalyptic number.

1212440420002 is a deficient number, since it is larger than the sum of its proper divisors (988291771358).

1212440420002 is a wasteful number, since it uses less digits than its factorization.

1212440420002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094287505.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1212440420002 its reverse (2000240442121), we get a palindrome (3212680862123).

The spelling of 1212440420002 in words is "one trillion, two hundred twelve billion, four hundred forty million, four hundred twenty thousand, two".