1912210133 has 8 divisors (see below), whose sum is σ = 2112723648. Its totient is φ = 1721477824.

The previous prime is 1912210109. The next prime is 1912210147. The reversal of 1912210133 is 3310122191.

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 1912210133 - 2¹⁴ = 1912193749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1912210099 and 1912210108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912210733) 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, 2444891 + ... + 2445672.

It is an arithmetic number, because the mean of its divisors is an integer number (264090456).

Almost surely, 2^1912210133 is an apocalyptic number.

It is an amenable number.

1912210133 is a deficient number, since it is larger than the sum of its proper divisors (200513515).

1912210133 is a wasteful number, since it uses less digits than its factorization.

1912210133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890603.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1912210133 is about 43728.8249670626. The cubic root of 1912210133 is about 1241.2098262100.

The spelling of 1912210133 in words is "one billion, nine hundred twelve million, two hundred ten thousand, one hundred thirty-three".