1211213103132 has 48 divisors (see below), whose sum is σ = 3056077140480. Its totient is φ = 371903561472.

The previous prime is 1211213103131. The next prime is 1211213103143. The reversal of 1211213103132 is 2313013121121.

It is a junction number, because it is equal to n+sod(n) for n = 1211213103099 and 1211213103108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211213103131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63153382 + ... + 63172557.

It is an arithmetic number, because the mean of its divisors is an integer number (63668273760).

Almost surely, 2^{1211213103132} is an apocalyptic number.

1211213103132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1211213103132 is an abundant number, since it is smaller than the sum of its proper divisors (1844864037348).

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

1211213103132 is a wasteful number, since it uses less digits than its factorization.

1211213103132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126326010 (or 126326008 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1211213103132 its reverse (2313013121121), we get a palindrome (3524226224253).

The spelling of 1211213103132 in words is "one trillion, two hundred eleven billion, two hundred thirteen million, one hundred three thousand, one hundred thirty-two".