101133012 has 12 divisors (see below), whose sum is σ = 235977056. Its totient is φ = 33711000.

The previous prime is 101133007. The next prime is 101133013. The reversal of 101133012 is 210331101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×101133012² = 20455772232384288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 8427751 = 101133012 / (1 + 0 + 1 + 1 + 3 + 3 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101133013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213864 + ... + 4213887.

Almost surely, 2^101133012 is an apocalyptic number.

101133012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101133012 is an abundant number, since it is smaller than the sum of its proper divisors (134844044).

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

101133012 is a wasteful number, since it uses less digits than its factorization.

101133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8427758 (or 8427756 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 101133012 is about 10056.4910381305. The cubic root of 101133012 is about 465.9052961349.

Adding to 101133012 its reverse (210331101), we get a palindrome (311464113).

The spelling of 101133012 in words is "one hundred one million, one hundred thirty-three thousand, twelve".