10216123380 has 72 divisors (see below), whose sum is σ = 32136660192. Its totient is φ = 2724298272.

The previous prime is 10216123321. The next prime is 10216123397. The reversal of 10216123380 is 8332161201.

It is a happy number.

10216123380 is a `hidden beast` number, since 10 + 2 + 1 + 612 + 3 + 38 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1046182 + ... + 1055901.

Almost surely, 2^10216123380 is an apocalyptic number.

10216123380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10216123380 is an abundant number, since it is smaller than the sum of its proper divisors (21920536812).

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

10216123380 is a wasteful number, since it uses less digits than its factorization.

10216123380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102107 (or 2102093 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 10216123380 its reverse (8332161201), we get a palindrome (18548284581).

The spelling of 10216123380 in words is "ten billion, two hundred sixteen million, one hundred twenty-three thousand, three hundred eighty".