101400612 has 24 divisors (see below), whose sum is σ = 237482112. Its totient is φ = 33674400.

The previous prime is 101400589. The next prime is 101400613. The reversal of 101400612 is 216004101.

It is a super-2 number, since 2×101400612² = 20564168227949088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101400591 and 101400600.

It is not an unprimeable number, because it can be changed into a prime (101400613) 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, 12339 + ... + 18842.

It is an arithmetic number, because the mean of its divisors is an integer number (9895088).

Almost surely, 2^101400612 is an apocalyptic number.

101400612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101400612 is an abundant number, since it is smaller than the sum of its proper divisors (136081500).

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

101400612 is a wasteful number, since it uses less digits than its factorization.

101400612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31459 (or 31457 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 101400612 is about 10069.7870881166. The cubic root of 101400612 is about 466.3158658419.

Adding to 101400612 its reverse (216004101), we get a palindrome (317404713).

The spelling of 101400612 in words is "one hundred one million, four hundred thousand, six hundred twelve".