21367476312 has 128 divisors (see below), whose sum is σ = 68013388800. Its totient is φ = 5441038848.

The previous prime is 21367476253. The next prime is 21367476313.

21367476312 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21367476312² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21367476313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105348 + ... + 232019.

It is an arithmetic number, because the mean of its divisors is an integer number (531354600).

Almost surely, 2^21367476312 is an apocalyptic number.

It is an amenable number.

21367476312 is an abundant number, since it is smaller than the sum of its proper divisors (46645912488).

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

21367476312 is a wasteful number, since it uses less digits than its factorization.

21367476312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337425 (or 337421 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The spelling of 21367476312 in words is "twenty-one billion, three hundred sixty-seven million, four hundred seventy-six thousand, three hundred twelve".