1201202102010 has 64 divisors (see below), whose sum is σ = 2895350717952. Its totient is φ = 318937709376.

The previous prime is 1201202101949. The next prime is 1201202102011. The reversal of 1201202102010 is 102012021021.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1201202102011) 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, 8653009 + ... + 8790731.

It is an arithmetic number, because the mean of its divisors is an integer number (45239854968).

Almost surely, 2^{1201202102010} is an apocalyptic number.

1201202102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201202102010 is an abundant number, since it is smaller than the sum of its proper divisors (1694148615942).

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

1201202102010 is a wasteful number, since it uses less digits than its factorization.

1201202102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138987.

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

Adding to 1201202102010 its reverse (102012021021), we get a palindrome (1303214123031).

The spelling of 1201202102010 in words is "one trillion, two hundred one billion, two hundred two million, one hundred two thousand, ten".