1201222002102 has 64 divisors (see below), whose sum is σ = 2485653350400. Its totient is φ = 386599530240.

The previous prime is 1201222002091. The next prime is 1201222002199. The reversal of 1201222002102 is 2012002221021.

It is a congruent number.

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, 237440049 + ... + 237445107.

It is an arithmetic number, because the mean of its divisors is an integer number (38838333600).

Almost surely, 2^{1201222002102} is an apocalyptic number.

1201222002102 is an abundant number, since it is smaller than the sum of its proper divisors (1284431348298).

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

1201222002102 is a wasteful number, since it uses less digits than its factorization.

1201222002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781.

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

Adding to 1201222002102 its reverse (2012002221021), we get a palindrome (3213224223123).

The spelling of 1201222002102 in words is "one trillion, two hundred one billion, two hundred twenty-two million, two thousand, one hundred two".