9972067611229 has 2 divisors, whose sum is σ = 9972067611230. Its totient is φ = 9972067611228.

The previous prime is 9972067611199. The next prime is 9972067611263. The reversal of 9972067611229 is 9221167602799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6049976508900 + 3922091102329 = 2459670^2 + 1980427^2 .

It is a cyclic number.

It is not a de Polignac number, because 9972067611229 - 2²³ = 9972059222621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9972067611029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986033805614 + 4986033805615.

It is an arithmetic number, because the mean of its divisors is an integer number (4986033805615).

Almost surely, 2^{9972067611229} is an apocalyptic number.

It is an amenable number.

9972067611229 is a deficient number, since it is larger than the sum of its proper divisors (1).

9972067611229 is an equidigital number, since it uses as much as digits as its factorization.

9972067611229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10287648, while the sum is 61.

The spelling of 9972067611229 in words is "nine trillion, nine hundred seventy-two billion, sixty-seven million, six hundred eleven thousand, two hundred twenty-nine".