121252200479 has 2 divisors, whose sum is σ = 121252200480. Its totient is φ = 121252200478.

The previous prime is 121252200473. The next prime is 121252200521. The reversal of 121252200479 is 974002252121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121252200479 is a prime.

It is a super-2 number, since 2×121252200479² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121252200473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60626100239 + 60626100240.

It is an arithmetic number, because the mean of its divisors is an integer number (60626100240).

Almost surely, 2^121252200479 is an apocalyptic number.

121252200479 is a deficient number, since it is larger than the sum of its proper divisors (1).

121252200479 is an equidigital number, since it uses as much as digits as its factorization.

121252200479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 121252200479 in words is "one hundred twenty-one billion, two hundred fifty-two million, two hundred thousand, four hundred seventy-nine".