1211030131032 has 80 divisors (see below), whose sum is σ = 3396634589040. Its totient is φ = 403125833664.

The previous prime is 1211030131013. The next prime is 1211030131063. The reversal of 1211030131032 is 2301310301121.

1211030131032 is a `hidden beast` number, since 1 + 21 + 1 + 0 + 301 + 310 + 32 = 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 = 1211030130996 and 1211030131014.

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 19 ways as a sum of consecutive naturals, for example, 799828 + ... + 1749795.

It is an arithmetic number, because the mean of its divisors is an integer number (42457932363).

Almost surely, 2^{1211030131032} is an apocalyptic number.

1211030131032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1211030131032 is an abundant number, since it is smaller than the sum of its proper divisors (2185604458008).

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

1211030131032 is a wasteful number, since it uses less digits than its factorization.

1211030131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550374 (or 2550361 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1211030131032 its reverse (2301310301121), we get a palindrome (3512340432153).

The spelling of 1211030131032 in words is "one trillion, two hundred eleven billion, thirty million, one hundred thirty-one thousand, thirty-two".