1211440301030 has 16 divisors (see below), whose sum is σ = 2181267915120. Its totient is φ = 484426037472.

The previous prime is 1211440301023. The next prime is 1211440301039. The reversal of 1211440301030 is 301030441121.

It is a super-3 number, since 3×1211440301030³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1211440300993 and 1211440301011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211440301039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18726464 + ... + 18791043.

It is an arithmetic number, because the mean of its divisors is an integer number (136329244695).

Almost surely, 2^{1211440301030} is an apocalyptic number.

1211440301030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211440301030 is a deficient number, since it is larger than the sum of its proper divisors (969827614090).

1211440301030 is a wasteful number, since it uses less digits than its factorization.

1211440301030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37520743.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1211440301030 its reverse (301030441121), we get a palindrome (1512470742151).

The spelling of 1211440301030 in words is "one trillion, two hundred eleven billion, four hundred forty million, three hundred one thousand, thirty".