1212101231033 has 40 divisors (see below), whose sum is σ = 1543160800896. Its totient is φ = 944140428000.

The previous prime is 1212101231009. The next prime is 1212101231039. The reversal of 1212101231033 is 3301321012121.

It is a happy number.

It is not a de Polignac number, because 1212101231033 - 2⁶ = 1212101230969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212101230996 and 1212101231014.

It is not an unprimeable number, because it can be changed into a prime (1212101231039) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 87175760 + ... + 87189662.

Almost surely, 2^{1212101231033} is an apocalyptic number.

It is an amenable number.

1212101231033 is a deficient number, since it is larger than the sum of its proper divisors (331059569863).

1212101231033 is an equidigital number, since it uses as much as digits as its factorization.

1212101231033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17243 (or 17222 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1212101231033 its reverse (3301321012121), we get a palindrome (4513422243154).

The spelling of 1212101231033 in words is "one trillion, two hundred twelve billion, one hundred one million, two hundred thirty-one thousand, thirty-three".