120001211000057 has 2 divisors, whose sum is σ = 120001211000058. Its totient is φ = 120001211000056.

The previous prime is 120001210999991. The next prime is 120001211000063. The reversal of 120001211000057 is 750000112100021.

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., 117624523194256 + 2376687805801 = 10845484^2 + 1541651^2 .

It is a cyclic number.

It is not a de Polignac number, because 120001211000057 - 2¹² = 120001210995961 is a prime.

It is a super-2 number, since 2×120001211000057² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120001211000357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000605500028 + 60000605500029.

It is an arithmetic number, because the mean of its divisors is an integer number (60000605500029).

Almost surely, 2^{120001211000057} is an apocalyptic number.

It is an amenable number.

120001211000057 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001211000057 is an equidigital number, since it uses as much as digits as its factorization.

120001211000057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 20.

Adding to 120001211000057 its reverse (750000112100021), we get a palindrome (870001323100078).

The spelling of 120001211000057 in words is "one hundred twenty trillion, one billion, two hundred eleven million, fifty-seven", and thus it is an aban number.