1211402322010 has 16 divisors (see below), whose sum is σ = 2180547713736. Its totient is φ = 484555699008.

The previous prime is 1211402321971. The next prime is 1211402322089. The reversal of 1211402322010 is 102232041121.

It can be written as a sum of positive squares in 4 ways, for example, as 566164448721 + 645237873289 = 752439^2 + 803267^2 .

It is a super-3 number, since 3×1211402322010³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400024 + ... + 1607116.

Almost surely, 2^{1211402322010} is an apocalyptic number.

1211402322010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211402322010 is a deficient number, since it is larger than the sum of its proper divisors (969145391726).

1211402322010 is a wasteful number, since it uses less digits than its factorization.

1211402322010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307457.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1211402322010 its reverse (102232041121), we get a palindrome (1313634363131).

The spelling of 1211402322010 in words is "one trillion, two hundred eleven billion, four hundred two million, three hundred twenty-two thousand, ten".