101331012 has 24 divisors (see below), whose sum is σ = 242830336. Its totient is φ = 32863968.

The previous prime is 101331011. The next prime is 101331019. The reversal of 101331012 is 210133101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (101331011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113668 + ... + 114555.

Almost surely, 2^101331012 is an apocalyptic number.

101331012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101331012 is an abundant number, since it is smaller than the sum of its proper divisors (141499324).

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

101331012 is a wasteful number, since it uses less digits than its factorization.

101331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228267 (or 228265 counting only the distinct ones).

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

The square root of 101331012 is about 10066.3306124923. The cubic root of 101331012 is about 466.2091504676.

Adding to 101331012 its reverse (210133101), we get a palindrome (311464113).

It can be divided in two parts, 10133101 and 2, that multiplied together give a palindrome (20266202).

The spelling of 101331012 in words is "one hundred one million, three hundred thirty-one thousand, twelve".