1012202052090 has 16 divisors (see below), whose sum is σ = 2429284925088. Its totient is φ = 269920547216.

The previous prime is 1012202052049. The next prime is 1012202052091. The reversal of 1012202052090 is 902502022101.

It is a self number, because there is not a number n which added to its sum of digits gives 1012202052090.

It is not an unprimeable number, because it can be changed into a prime (1012202052091) 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, 16870034172 + ... + 16870034231.

It is an arithmetic number, because the mean of its divisors is an integer number (151830307818).

Almost surely, 2^{1012202052090} is an apocalyptic number.

1012202052090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012202052090 is an abundant number, since it is smaller than the sum of its proper divisors (1417082872998).

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

1012202052090 is a wasteful number, since it uses less digits than its factorization.

1012202052090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33740068413.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 1012202052090 its reverse (902502022101), we get a palindrome (1914704074191).

The spelling of 1012202052090 in words is "one trillion, twelve billion, two hundred two million, fifty-two thousand, ninety".