101223415612440 has 96 divisors (see below), whose sum is σ = 358883019003600. Its totient is φ = 24539009844480.

The previous prime is 101223415612433. The next prime is 101223415612441. The reversal of 101223415612440 is 44216514322101.

101223415612440 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 2 + 34 + 1 + 5 + 612 + 4 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 101223415612395 and 101223415612404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101223415612441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12780730335 + ... + 12780738254.

Almost surely, 2^{101223415612440} is an apocalyptic number.

101223415612440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101223415612440 is an abundant number, since it is smaller than the sum of its proper divisors (257659603391160).

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

101223415612440 is a wasteful number, since it uses less digits than its factorization.

101223415612440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25561468617 (or 25561468610 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 101223415612440 its reverse (44216514322101), we get a palindrome (145439929934541).

The spelling of 101223415612440 in words is "one hundred one trillion, two hundred twenty-three billion, four hundred fifteen million, six hundred twelve thousand, four hundred forty".