1211233010120 has 64 divisors (see below), whose sum is σ = 3115208004480. Its totient is φ = 415198711296.

The previous prime is 1211233010089. The next prime is 1211233010171. The reversal of 1211233010120 is 210103321121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020932 + ... + 1861388.

It is an arithmetic number, because the mean of its divisors is an integer number (48675125070).

Almost surely, 2^{1211233010120} is an apocalyptic number.

1211233010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211233010120 is an abundant number, since it is smaller than the sum of its proper divisors (1903974994360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211233010120 is a wasteful number, since it uses less digits than its factorization.

1211233010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845622 (or 845618 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1211233010120 its reverse (210103321121), we get a palindrome (1421336331241).

The spelling of 1211233010120 in words is "one trillion, two hundred eleven billion, two hundred thirty-three million, ten thousand, one hundred twenty".