1012233100 has 18 divisors (see below), whose sum is σ = 2196546044. Its totient is φ = 404893200.

The previous prime is 1012233077. The next prime is 1012233109. The reversal of 1012233100 is 13322101.

It is a super-2 number, since 2×1012233100² = 2049231697471220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012233109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5061066 + ... + 5061265.

Almost surely, 2^1012233100 is an apocalyptic number.

1012233100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012233100 is an abundant number, since it is smaller than the sum of its proper divisors (1184312944).

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

1012233100 is a wasteful number, since it uses less digits than its factorization.

1012233100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10122345 (or 10122338 counting only the distinct ones).

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

The square root of 1012233100 is about 31815.6109480865. The cubic root of 1012233100 is about 1004.0611844535.

Adding to 1012233100 its reverse (13322101), we get a palindrome (1025555201).

The spelling of 1012233100 in words is "one billion, twelve million, two hundred thirty-three thousand, one hundred".