1212020020002 has 16 divisors (see below), whose sum is σ = 2644407316512. Its totient is φ = 367278793920.

The previous prime is 1212020019949. The next prime is 1212020020019. The reversal of 1212020020002 is 2000200202121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212020020002.

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, 9181969783 + ... + 9181969914.

It is an arithmetic number, because the mean of its divisors is an integer number (165275457282).

Almost surely, 2^{1212020020002} is an apocalyptic number.

1212020020002 is an abundant number, since it is smaller than the sum of its proper divisors (1432387296510).

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

1212020020002 is a wasteful number, since it uses less digits than its factorization.

1212020020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18363939713.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1212020020002 its reverse (2000200202121), we get a palindrome (3212220222123).

The spelling of 1212020020002 in words is "one trillion, two hundred twelve billion, twenty million, twenty thousand, two".