2012212151 has 4 divisors (see below), whose sum is σ = 2050178472. Its totient is φ = 1974245832.

The previous prime is 2012212117. The next prime is 2012212177. The reversal of 2012212151 is 1512122102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1512122102 = 2 ⋅756061051.

It is a cyclic number.

It is not a de Polignac number, because 2012212151 - 2⁶ = 2012212087 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 (2012212351) 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, 18983081 + ... + 18983186.

It is an arithmetic number, because the mean of its divisors is an integer number (512544618).

Almost surely, 2^2012212151 is an apocalyptic number.

2012212151 is a deficient number, since it is larger than the sum of its proper divisors (37966321).

2012212151 is an equidigital number, since it uses as much as digits as its factorization.

2012212151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37966320.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 2012212151 is about 44857.6877580644. The cubic root of 2012212151 is about 1262.4802390921.

Adding to 2012212151 its reverse (1512122102), we get a palindrome (3524334253).

The spelling of 2012212151 in words is "two billion, twelve million, two hundred twelve thousand, one hundred fifty-one".