1202102010109 has 32 divisors (see below), whose sum is σ = 1614322241280. Its totient is φ = 864482112000.

The previous prime is 1202102010097. The next prime is 1202102010113. The reversal of 1202102010109 is 9010102012021.

It is a happy number.

It is not a de Polignac number, because 1202102010109 - 2⁵ = 1202102010077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202102013109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5201209 + ... + 5427409.

It is an arithmetic number, because the mean of its divisors is an integer number (50447570040).

Almost surely, 2^{1202102010109} is an apocalyptic number.

It is an amenable number.

1202102010109 is a deficient number, since it is larger than the sum of its proper divisors (412220231171).

1202102010109 is a wasteful number, since it uses less digits than its factorization.

1202102010109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231541.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1202102010109 in words is "one trillion, two hundred two billion, one hundred two million, ten thousand, one hundred nine".