215212003379 has 2 divisors, whose sum is σ = 215212003380. Its totient is φ = 215212003378.

The previous prime is 215212003301. The next prime is 215212003417. The reversal of 215212003379 is 973300212512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215212003379 is a prime.

It is not a weakly prime, because it can be changed into another prime (215212003579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107606001689 + 107606001690.

It is an arithmetic number, because the mean of its divisors is an integer number (107606001690).

Almost surely, 2^215212003379 is an apocalyptic number.

215212003379 is a deficient number, since it is larger than the sum of its proper divisors (1).

215212003379 is an equidigital number, since it uses as much as digits as its factorization.

215212003379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 215212003379 in words is "two hundred fifteen billion, two hundred twelve million, three thousand, three hundred seventy-nine".