1012201112 has 64 divisors (see below), whose sum is σ = 2184960960. Its totient is φ = 435916800.

The previous prime is 1012201103. The next prime is 1012201133. The reversal of 1012201112 is 2111022101.

It is a super-2 number, since 2×1012201112² = 2049102182268073088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012201093 and 1012201102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92912 + ... + 103232.

It is an arithmetic number, because the mean of its divisors is an integer number (34140015).

Almost surely, 2^1012201112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1092480480).

1012201112 is an abundant number, since it is smaller than the sum of its proper divisors (1172759848).

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

1012201112 is a wasteful number, since it uses less digits than its factorization.

1012201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10404 (or 10400 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1012201112 is about 31815.1082349251. The cubic root of 1012201112 is about 1004.0506077568.

Adding to 1012201112 its reverse (2111022101), we get a palindrome (3123223213).

The spelling of 1012201112 in words is "one billion, twelve million, two hundred one thousand, one hundred twelve".