1202231210249 has 2 divisors, whose sum is σ = 1202231210250. Its totient is φ = 1202231210248.

The previous prime is 1202231210231. The next prime is 1202231210251. The reversal of 1202231210249 is 9420121322021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 963263731600 + 238967478649 = 981460^2 + 488843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202231210249 - 2¹² = 1202231206153 is a prime.

Together with 1202231210251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1202231210149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601115605124 + 601115605125.

It is an arithmetic number, because the mean of its divisors is an integer number (601115605125).

Almost surely, 2^{1202231210249} is an apocalyptic number.

It is an amenable number.

1202231210249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202231210249 is an equidigital number, since it uses as much as digits as its factorization.

1202231210249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 1202231210249 in words is "one trillion, two hundred two billion, two hundred thirty-one million, two hundred ten thousand, two hundred forty-nine".