1012212202277 has 2 divisors, whose sum is σ = 1012212202278. Its totient is φ = 1012212202276.

The previous prime is 1012212202159. The next prime is 1012212202279. The reversal of 1012212202277 is 7722022122101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 945097009921 + 67115192356 = 972161^2 + 259066^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012212202277 - 2³² = 1007917234981 is a prime.

Together with 1012212202279, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012212202279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506106101138 + 506106101139.

It is an arithmetic number, because the mean of its divisors is an integer number (506106101139).

Almost surely, 2^{1012212202277} is an apocalyptic number.

It is an amenable number.

1012212202277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012212202277 is an equidigital number, since it uses as much as digits as its factorization.

1012212202277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 29.

Adding to 1012212202277 its reverse (7722022122101), we get a palindrome (8734234324378).

The spelling of 1012212202277 in words is "one trillion, twelve billion, two hundred twelve million, two hundred two thousand, two hundred seventy-seven".