1220000405357 has 2 divisors, whose sum is σ = 1220000405358. Its totient is φ = 1220000405356.

The previous prime is 1220000405303. The next prime is 1220000405411. The reversal of 1220000405357 is 7535040000221.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1220000405303) and next prime (1220000405411).

It can be written as a sum of positive squares in only one way, i.e., 1205836787236 + 14163618121 = 1098106^2 + 119011^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220000405357 - 2²⁸ = 1219731969901 is a prime.

It is a super-3 number, since 3×1220000405357³ (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 (1220000405957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610000202678 + 610000202679.

It is an arithmetic number, because the mean of its divisors is an integer number (610000202679).

Almost surely, 2^{1220000405357} is an apocalyptic number.

It is an amenable number.

1220000405357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220000405357 is an equidigital number, since it uses as much as digits as its factorization.

1220000405357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

Adding to 1220000405357 its reverse (7535040000221), we get a palindrome (8755040405578).

The spelling of 1220000405357 in words is "one trillion, two hundred twenty billion, four hundred five thousand, three hundred fifty-seven".