1012111820202 has 32 divisors (see below), whose sum is σ = 2314871161344. Its totient is φ = 288990716400.

The previous prime is 1012111820201. The next prime is 1012111820231. The reversal of 1012111820202 is 2020281112101.

1012111820202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1012111820201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7603624 + ... + 7735587.

It is an arithmetic number, because the mean of its divisors is an integer number (72339723792).

Almost surely, 2^{1012111820202} is an apocalyptic number.

1012111820202 is an abundant number, since it is smaller than the sum of its proper divisors (1302759341142).

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

1012111820202 is a wasteful number, since it uses less digits than its factorization.

1012111820202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15340794.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 1012111820202 its reverse (2020281112101), we get a palindrome (3032392932303).

The spelling of 1012111820202 in words is "one trillion, twelve billion, one hundred eleven million, eight hundred twenty thousand, two hundred two".