10212042421340 has 12 divisors (see below), whose sum is σ = 21445289084856. Its totient is φ = 4084816968528.

The previous prime is 10212042421333. The next prime is 10212042421387. The reversal of 10212042421340 is 4312424021201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255301060514 + ... + 255301060553.

It is an arithmetic number, because the mean of its divisors is an integer number (1787107423738).

Almost surely, 2^{10212042421340} is an apocalyptic number.

10212042421340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212042421340 is an abundant number, since it is smaller than the sum of its proper divisors (11233246663516).

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

10212042421340 is a wasteful number, since it uses less digits than its factorization.

10212042421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510602121076 (or 510602121074 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 10212042421340 its reverse (4312424021201), we get a palindrome (14524466442541).

The spelling of 10212042421340 in words is "ten trillion, two hundred twelve billion, forty-two million, four hundred twenty-one thousand, three hundred forty".