1211132022030 has 192 divisors, whose sum is σ = 3614065648128. Its totient is φ = 275657437440.

The previous prime is 1211132022029. The next prime is 1211132022071. The reversal of 1211132022030 is 302202311121.

1211132022030 is a `hidden beast` number, since 12 + 111 + 320 + 220 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1211132021994 and 1211132022012.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 197474844 + ... + 197480976.

It is an arithmetic number, because the mean of its divisors is an integer number (18823258584).

Almost surely, 2^{1211132022030} is an apocalyptic number.

1211132022030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211132022030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807032824064).

1211132022030 is an abundant number, since it is smaller than the sum of its proper divisors (2402933626098).

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

1211132022030 is a wasteful number, since it uses less digits than its factorization.

1211132022030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431 (or 7428 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1211132022030 its reverse (302202311121), we get a palindrome (1513334333151).

The spelling of 1211132022030 in words is "one trillion, two hundred eleven billion, one hundred thirty-two million, twenty-two thousand, thirty".