1211023233130 has 16 divisors (see below), whose sum is σ = 2184281424864. Its totient is φ = 483422714320.

The previous prime is 1211023233089. The next prime is 1211023233181. The reversal of 1211023233130 is 313323201121.

It is an unprimeable number.

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, 123317212 + ... + 123327031.

It is an arithmetic number, because the mean of its divisors is an integer number (136517589054).

Almost surely, 2^{1211023233130} is an apocalyptic number.

1211023233130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211023233130 is a deficient number, since it is larger than the sum of its proper divisors (973258191734).

1211023233130 is a wasteful number, since it uses less digits than its factorization.

1211023233130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246644741.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1211023233130 its reverse (313323201121), we get a palindrome (1524346434251).

The spelling of 1211023233130 in words is "one trillion, two hundred eleven billion, twenty-three million, two hundred thirty-three thousand, one hundred thirty".