1210200994 has 4 divisors (see below), whose sum is σ = 1815301494. Its totient is φ = 605100496.

The previous prime is 1210200989. The next prime is 1210200997. The reversal of 1210200994 is 4990020121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1197506025 + 12694969 = 34605^2 + 3563^2 .

It is a super-3 number, since 3×1210200994³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210200997) 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 as a sum of consecutive naturals, namely, 302550247 + ... + 302550250.

Almost surely, 2^1210200994 is an apocalyptic number.

1210200994 is a deficient number, since it is larger than the sum of its proper divisors (605100500).

1210200994 is an equidigital number, since it uses as much as digits as its factorization.

1210200994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605100499.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1210200994 is about 34787.9432275034. The cubic root of 1210200994 is about 1065.6612361600.

The spelling of 1210200994 in words is "one billion, two hundred ten million, two hundred thousand, nine hundred ninety-four".