1012201330 has 24 divisors (see below), whose sum is σ = 2119426668. Its totient is φ = 347040288.

The previous prime is 1012201321. The next prime is 1012201331. The reversal of 1012201330 is 331022101.

It can be written as a sum of positive squares in 2 ways, for example, as 960318121 + 51883209 = 30989^2 + 7203^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1012201330.

It is not an unprimeable number, because it can be changed into a prime (1012201331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1032369 + ... + 1033348.

Almost surely, 2^1012201330 is an apocalyptic number.

1012201330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012201330 is an abundant number, since it is smaller than the sum of its proper divisors (1107225338).

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

1012201330 is a wasteful number, since it uses less digits than its factorization.

1012201330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065738 (or 2065731 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1012201330 is about 31815.1116609702. Note that the first 3 decimals coincide. The cubic root of 1012201330 is about 1004.0506798383.

Adding to 1012201330 its reverse (331022101), we get a palindrome (1343223431).

The spelling of 1012201330 in words is "one billion, twelve million, two hundred one thousand, three hundred thirty".