1211133201230 has 8 divisors (see below), whose sum is σ = 2180039762232. Its totient is φ = 484453280488.

The previous prime is 1211133201221. The next prime is 1211133201251. The reversal of 1211133201230 is 321023311121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1211133201230² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60556660052 + ... + 60556660071.

It is an arithmetic number, because the mean of its divisors is an integer number (272504970279).

Almost surely, 2^{1211133201230} is an apocalyptic number.

1211133201230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211133201230 is a deficient number, since it is larger than the sum of its proper divisors (968906561002).

1211133201230 is a wasteful number, since it uses less digits than its factorization.

1211133201230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121113320130.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1211133201230 its reverse (321023311121), we get a palindrome (1532156512351).

The spelling of 1211133201230 in words is "one trillion, two hundred eleven billion, one hundred thirty-three million, two hundred one thousand, two hundred thirty".