10012201919 has 4 divisors (see below), whose sum is σ = 10029086496. Its totient is φ = 9995317344.

The previous prime is 10012201909. The next prime is 10012201933. The reversal of 10012201919 is 91910221001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10012201919 - 2¹² = 10012197823 is a prime.

It is a super-2 number, since 2×10012201919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012201909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8441399 + ... + 8442584.

It is an arithmetic number, because the mean of its divisors is an integer number (2507271624).

Almost surely, 2^10012201919 is an apocalyptic number.

10012201919 is a deficient number, since it is larger than the sum of its proper divisors (16884577).

10012201919 is an equidigital number, since it uses as much as digits as its factorization.

10012201919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16884576.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 10012201919 in words is "ten billion, twelve million, two hundred one thousand, nine hundred nineteen".