10212571421 has 8 divisors (see below), whose sum is σ = 11577004320. Its totient is φ = 8930831472.

The previous prime is 10212571417. The next prime is 10212571427. The reversal of 10212571421 is 12417521201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10212571421 - 2² = 10212571417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212571427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20672975 + ... + 20673468.

It is an arithmetic number, because the mean of its divisors is an integer number (1447125540).

Almost surely, 2^10212571421 is an apocalyptic number.

It is an amenable number.

10212571421 is a deficient number, since it is larger than the sum of its proper divisors (1364432899).

10212571421 is a wasteful number, since it uses less digits than its factorization.

10212571421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41346475.

The product of its (nonzero) digits is 1120, while the sum is 26.

The spelling of 10212571421 in words is "ten billion, two hundred twelve million, five hundred seventy-one thousand, four hundred twenty-one".