21012424010310 has 64 divisors (see below), whose sum is σ = 51793546033152. Its totient is φ = 5451792137856.

The previous prime is 21012424010143. The next prime is 21012424010317. The reversal of 21012424010310 is 1301042421012.

It is a super-2 number, since 2×21012424010310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21012424010317) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 132569127 + ... + 132727533.

It is an arithmetic number, because the mean of its divisors is an integer number (809274156768).

Almost surely, 2^{21012424010310} is an apocalyptic number.

21012424010310 is an abundant number, since it is smaller than the sum of its proper divisors (30781122022842).

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

21012424010310 is a wasteful number, since it uses less digits than its factorization.

21012424010310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277957.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21012424010310 its reverse (1301042421012), we get a palindrome (22313466431322).

The spelling of 21012424010310 in words is "twenty-one trillion, twelve billion, four hundred twenty-four million, ten thousand, three hundred ten".