1200102002102 has 16 divisors (see below), whose sum is σ = 1848858073920. Its totient is φ = 583816894848.

The previous prime is 1200102002101. The next prime is 1200102002131. The reversal of 1200102002102 is 2012002010021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200102002101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647043 + ... + 3067089.

It is an arithmetic number, because the mean of its divisors is an integer number (115553629620).

Almost surely, 2^{1200102002102} is an apocalyptic number.

1200102002102 is a deficient number, since it is larger than the sum of its proper divisors (648756071818).

1200102002102 is a wasteful number, since it uses less digits than its factorization.

1200102002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458695.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1200102002102 its reverse (2012002010021), we get a palindrome (3212104012123).

The spelling of 1200102002102 in words is "one trillion, two hundred billion, one hundred two million, two thousand, one hundred two".