10212578398740 has 96 divisors (see below), whose sum is σ = 28703914686720. Its totient is φ = 2713004015616.

The previous prime is 10212578398739. The next prime is 10212578398843. The reversal of 10212578398740 is 4789387521201.

It is a happy number.

It is a super-3 number, since 3×10212578398740³ (a number of 40 digits) contains 333 as substring.

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 31 ways as a sum of consecutive naturals, for example, 297491457 + ... + 297525783.

It is an arithmetic number, because the mean of its divisors is an integer number (298999111320).

Almost surely, 2^{10212578398740} is an apocalyptic number.

10212578398740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212578398740 is an abundant number, since it is smaller than the sum of its proper divisors (18491336287980).

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

10212578398740 is a wasteful number, since it uses less digits than its factorization.

10212578398740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53041 (or 53039 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 10212578398740 in words is "ten trillion, two hundred twelve billion, five hundred seventy-eight million, three hundred ninety-eight thousand, seven hundred forty".