1011212202 has 128 divisors (see below), whose sum is σ = 2743953408. Its totient is φ = 239904000.

The previous prime is 1011212177. The next prime is 1011212231. The reversal of 1011212202 is 2022121101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 605773 + ... + 607439.

It is an arithmetic number, because the mean of its divisors is an integer number (21437136).

Almost surely, 2^1011212202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011212202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371976704).

1011212202 is an abundant number, since it is smaller than the sum of its proper divisors (1732741206).

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

1011212202 is a wasteful number, since it uses less digits than its factorization.

1011212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804.

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

The square root of 1011212202 is about 31799.5629215246. The cubic root of 1011212202 is about 1003.7235188656.

Adding to 1011212202 its reverse (2022121101), we get a palindrome (3033333303).

The spelling of 1011212202 in words is "one billion, eleven million, two hundred twelve thousand, two hundred two".