1000212151 has 2 divisors, whose sum is σ = 1000212152. Its totient is φ = 1000212150.

The previous prime is 1000212149. The next prime is 1000212163. The reversal of 1000212151 is 1512120001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000212151 - 2¹ = 1000212149 is a prime.

Together with 1000212149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000212251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500106075 + 500106076.

It is an arithmetic number, because the mean of its divisors is an integer number (500106076).

Almost surely, 2^1000212151 is an apocalyptic number.

1000212151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000212151 is an equidigital number, since it uses as much as digits as its factorization.

1000212151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1000212151 is about 31626.1308256321. The cubic root of 1000212151 is about 1000.0707119997.

Adding to 1000212151 its reverse (1512120001), we get a palindrome (2512332152).

The spelling of 1000212151 in words is "one billion, two hundred twelve thousand, one hundred fifty-one".