1220000212037 has 2 divisors, whose sum is σ = 1220000212038. Its totient is φ = 1220000212036.

The previous prime is 1220000212033. The next prime is 1220000212043. The reversal of 1220000212037 is 7302120000221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1123767486241 + 96232725796 = 1060079^2 + 310214^2 .

It is an emirp because it is prime and its reverse (7302120000221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220000212037 - 2² = 1220000212033 is a prime.

It is a super-3 number, since 3×1220000212037³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220000212033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610000106018 + 610000106019.

It is an arithmetic number, because the mean of its divisors is an integer number (610000106019).

Almost surely, 2^{1220000212037} is an apocalyptic number.

It is an amenable number.

1220000212037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220000212037 is an equidigital number, since it uses as much as digits as its factorization.

1220000212037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 1220000212037 its reverse (7302120000221), we get a palindrome (8522120212258).

The spelling of 1220000212037 in words is "one trillion, two hundred twenty billion, two hundred twelve thousand, thirty-seven".