1210100193 has 12 divisors (see below), whose sum is σ = 1749917988. Its totient is φ = 805812480.

The previous prime is 1210100191. The next prime is 1210100209. The reversal of 1210100193 is 3910010121.

It can be written as a sum of positive squares in 2 ways, for example, as 753337809 + 456762384 = 27447^2 + 21372^2 .

It is not a de Polignac number, because 1210100193 - 2¹ = 1210100191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210100191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68380 + ... + 84237.

It is an arithmetic number, because the mean of its divisors is an integer number (145826499).

Almost surely, 2^1210100193 is an apocalyptic number.

It is an amenable number.

1210100193 is a deficient number, since it is larger than the sum of its proper divisors (539817795).

1210100193 is a wasteful number, since it uses less digits than its factorization.

1210100193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153504 (or 153501 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1210100193 is about 34786.4944051567. The cubic root of 1210100193 is about 1065.6316480443.

The spelling of 1210100193 in words is "one billion, two hundred ten million, one hundred thousand, one hundred ninety-three".