1211401202 has 24 divisors (see below), whose sum is σ = 2092128912. Its totient is φ = 521652600.

The previous prime is 1211401199. The next prime is 1211401207. The reversal of 1211401202 is 2021041121.

It is a happy number.

It is a super-3 number, since 3×1211401202³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211401207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68324 + ... + 84207.

It is an arithmetic number, because the mean of its divisors is an integer number (87172038).

Almost surely, 2^1211401202 is an apocalyptic number.

1211401202 is a deficient number, since it is larger than the sum of its proper divisors (880727710).

1211401202 is a wasteful number, since it uses less digits than its factorization.

1211401202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152582 (or 152563 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1211401202 is about 34805.1892970000. The cubic root of 1211401202 is about 1066.0134070148.

Adding to 1211401202 its reverse (2021041121), we get a palindrome (3232442323).

The spelling of 1211401202 in words is "one billion, two hundred eleven million, four hundred one thousand, two hundred two".