10120801969 has 2 divisors, whose sum is σ = 10120801970. Its totient is φ = 10120801968.

The previous prime is 10120801961. The next prime is 10120802039. The reversal of 10120801969 is 96910802101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10108291600 + 12510369 = 100540^2 + 3537^2 .

It is a cyclic number.

It is not a de Polignac number, because 10120801969 - 2³ = 10120801961 is a prime.

It is a super-2 number, since 2×10120801969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10120801961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060400984 + 5060400985.

It is an arithmetic number, because the mean of its divisors is an integer number (5060400985).

Almost surely, 2^10120801969 is an apocalyptic number.

It is an amenable number.

10120801969 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120801969 is an equidigital number, since it uses as much as digits as its factorization.

10120801969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 37.

It can be divided in two parts, 1012080 and 1969, that added together give a square (1014049 = 1007²).

The spelling of 10120801969 in words is "ten billion, one hundred twenty million, eight hundred one thousand, nine hundred sixty-nine".