2012201020157 has 2 divisors, whose sum is σ = 2012201020158. Its totient is φ = 2012201020156.

The previous prime is 2012201020139. The next prime is 2012201020211. The reversal of 2012201020157 is 7510201022102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1081643680441 + 930557339716 = 1040021^2 + 964654^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012201020157 - 2¹² = 2012201016061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012201050157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006100510078 + 1006100510079.

It is an arithmetic number, because the mean of its divisors is an integer number (1006100510079).

Almost surely, 2^{2012201020157} is an apocalyptic number.

It is an amenable number.

2012201020157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012201020157 is an equidigital number, since it uses as much as digits as its factorization.

2012201020157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 2012201020157 its reverse (7510201022102), we get a palindrome (9522402042259).

The spelling of 2012201020157 in words is "two trillion, twelve billion, two hundred one million, twenty thousand, one hundred fifty-seven".