1212331103132 has 24 divisors (see below), whose sum is σ = 2145648138480. Its totient is φ = 599290243200.

The previous prime is 1212331103063. The next prime is 1212331103147. The reversal of 1212331103132 is 2313011332121.

It is a junction number, because it is equal to n+sod(n) for n = 1212331103098 and 1212331103107.

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, 3220382 + ... + 3577082.

It is an arithmetic number, because the mean of its divisors is an integer number (89402005770).

Almost surely, 2^{1212331103132} is an apocalyptic number.

It is an amenable number.

1212331103132 is a deficient number, since it is larger than the sum of its proper divisors (933317035348).

1212331103132 is a wasteful number, since it uses less digits than its factorization.

1212331103132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366341 (or 366339 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1212331103132 its reverse (2313011332121), we get a palindrome (3525342435253).

The spelling of 1212331103132 in words is "one trillion, two hundred twelve billion, three hundred thirty-one million, one hundred three thousand, one hundred thirty-two".