1201013231149 has 2 divisors, whose sum is σ = 1201013231150. Its totient is φ = 1201013231148.

The previous prime is 1201013231113. The next prime is 1201013231203. The reversal of 1201013231149 is 9411323101021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1117633781124 + 83379450025 = 1057182^2 + 288755^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201013231149 - 2¹³ = 1201013222957 is a prime.

It is a super-2 number, since 2×1201013231149² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201013231749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600506615574 + 600506615575.

It is an arithmetic number, because the mean of its divisors is an integer number (600506615575).

Almost surely, 2^{1201013231149} is an apocalyptic number.

It is an amenable number.

1201013231149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201013231149 is an equidigital number, since it uses as much as digits as its factorization.

1201013231149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1201013231149 in words is "one trillion, two hundred one billion, thirteen million, two hundred thirty-one thousand, one hundred forty-nine".