1013212122 has 48 divisors (see below), whose sum is σ = 2265147648. Its totient is φ = 301691520.

The previous prime is 1013212061. The next prime is 1013212129. The reversal of 1013212122 is 2212123101.

It is not an unprimeable number, because it can be changed into a prime (1013212129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15318 + ... + 47550.

It is an arithmetic number, because the mean of its divisors is an integer number (47190576).

Almost surely, 2^1013212122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013212122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132573824).

1013212122 is an abundant number, since it is smaller than the sum of its proper divisors (1251935526).

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

1013212122 is a wasteful number, since it uses less digits than its factorization.

1013212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32295 (or 32282 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1013212122 is about 31830.9931042058. The cubic root of 1013212122 is about 1004.3847862154.

Adding to 1013212122 its reverse (2212123101), we get a palindrome (3225335223).

The spelling of 1013212122 in words is "one billion, thirteen million, two hundred twelve thousand, one hundred twenty-two".