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10120120001993 is a prime number
BaseRepresentation
bin1001001101000100011000…
…1010000110010111001001
31022211110210120012121010002
42103101012022012113021
52311302001210030433
633305041405332345
72063104002456611
oct223210612062711
938743716177102
1010120120001993
113251a11a01441
12117541b8670b5
1358542816a691
1426db60391a41
151283aa6ee9e8
hex934462865c9

10120120001993 has 2 divisors, whose sum is σ = 10120120001994. Its totient is φ = 10120120001992.

The previous prime is 10120120001939. The next prime is 10120120002029. The reversal of 10120120001993 is 39910002102101.

Together with previous prime (10120120001939) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8113171779769 + 2006948222224 = 2848363^2 + 1416668^2 .

It is an emirp because it is prime and its reverse (39910002102101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10120120001993 - 214 = 10120119985609 is a prime.

It is not a weakly prime, because it can be changed into another prime (10120120004993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060060000996 + 5060060000997.

It is an arithmetic number, because the mean of its divisors is an integer number (5060060000997).

Almost surely, 210120120001993 is an apocalyptic number.

It is an amenable number.

10120120001993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120120001993 is an equidigital number, since it uses as much as digits as its factorization.

10120120001993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 10120120001993 in words is "ten trillion, one hundred twenty billion, one hundred twenty million, one thousand, nine hundred ninety-three".