1211233112032 has 48 divisors (see below), whose sum is σ = 2507982486912. Its totient is φ = 575022389760.

The previous prime is 1211233112029. The next prime is 1211233112041. The reversal of 1211233112032 is 2302113321121.

It is a junction number, because it is equal to n+sod(n) for n = 1211233111994 and 1211233112012.

It is a congruent number.

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, 11466303 + ... + 11571454.

It is an arithmetic number, because the mean of its divisors is an integer number (52249635144).

Almost surely, 2^{1211233112032} is an apocalyptic number.

It is an amenable number.

1211233112032 is an abundant number, since it is smaller than the sum of its proper divisors (1296749374880).

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

1211233112032 is a wasteful number, since it uses less digits than its factorization.

1211233112032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23037851 (or 23037843 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1211233112032 its reverse (2302113321121), we get a palindrome (3513346433153).

The spelling of 1211233112032 in words is "one trillion, two hundred eleven billion, two hundred thirty-three million, one hundred twelve thousand, thirty-two".