1212002001102 has 32 divisors (see below), whose sum is σ = 2466380426112. Its totient is φ = 396968308704.

The previous prime is 1212002001073. The next prime is 1212002001109. The reversal of 1212002001102 is 2011002002121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212002001109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3637548 + ... + 3956735.

It is an arithmetic number, because the mean of its divisors is an integer number (77074388316).

Almost surely, 2^{1212002001102} is an apocalyptic number.

1212002001102 is an abundant number, since it is smaller than the sum of its proper divisors (1254378425010).

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

1212002001102 is a wasteful number, since it uses less digits than its factorization.

1212002001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7594752.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1212002001102 its reverse (2011002002121), we get a palindrome (3223004003223).

The spelling of 1212002001102 in words is "one trillion, two hundred twelve billion, two million, one thousand, one hundred two".