1012232200 has 72 divisors (see below), whose sum is σ = 2737701450. Its totient is φ = 347047680.

The previous prime is 1012232171. The next prime is 1012232203. The reversal of 1012232200 is 22322101.

It can be written as a sum of positive squares in 3 ways, for example, as 445125604 + 567106596 = 21098^2 + 23814^2 .

It is a super-3 number, since 3×1012232200³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1012232203) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 41845 + ... + 61444.

Almost surely, 2^1012232200 is an apocalyptic number.

1012232200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012232200 is an abundant number, since it is smaller than the sum of its proper divisors (1725469250).

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

1012232200 is a wasteful number, since it uses less digits than its factorization.

1012232200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103319 (or 103303 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1012232200 is about 31815.5968040834. The cubic root of 1012232200 is about 1004.0608868754.

Adding to 1012232200 its reverse (22322101), we get a palindrome (1034554301).

The spelling of 1012232200 in words is "one billion, twelve million, two hundred thirty-two thousand, two hundred".