120012000061 has 2 divisors, whose sum is σ = 120012000062. Its totient is φ = 120012000060.

The previous prime is 120012000049. The next prime is 120012000107. The reversal of 120012000061 is 160000210021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72108360900 + 47903639161 = 268530^2 + 218869^2 .

It is an emirp because it is prime and its reverse (160000210021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120012000061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012000011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006000030 + 60006000031.

It is an arithmetic number, because the mean of its divisors is an integer number (60006000031).

Almost surely, 2^120012000061 is an apocalyptic number.

It is an amenable number.

120012000061 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012000061 is an equidigital number, since it uses as much as digits as its factorization.

120012000061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120012000061 its reverse (160000210021), we get a palindrome (280012210082).

The spelling of 120012000061 in words is "one hundred twenty billion, twelve million, sixty-one", and thus it is an aban number.