1211432938988 has 12 divisors (see below), whose sum is σ = 2120023652712. Its totient is φ = 605711895360.

The previous prime is 1211432938967. The next prime is 1211432939039. The reversal of 1211432938988 is 8898392341121.

It is a super-3 number, since 3×1211432938988³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508445 + ... + 1637492.

It is an arithmetic number, because the mean of its divisors is an integer number (176668637726).

Almost surely, 2^{1211432938988} is an apocalyptic number.

It is an amenable number.

1211432938988 is a deficient number, since it is larger than the sum of its proper divisors (908590713724).

1211432938988 is a wasteful number, since it uses less digits than its factorization.

1211432938988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287072 (or 2287070 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 59.

The spelling of 1211432938988 in words is "one trillion, two hundred eleven billion, four hundred thirty-two million, nine hundred thirty-eight thousand, nine hundred eighty-eight".