1540543422212 has 48 divisors (see below), whose sum is σ = 2863857427200. Its totient is φ = 723058670880.

The previous prime is 1540543422203. The next prime is 1540543422289. The reversal of 1540543422212 is 2122243450451.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6443603 + ... + 6678405.

It is an arithmetic number, because the mean of its divisors is an integer number (59663696400).

Almost surely, 2^{1540543422212} is an apocalyptic number.

It is an amenable number.

1540543422212 is a deficient number, since it is larger than the sum of its proper divisors (1323314004988).

1540543422212 is a wasteful number, since it uses less digits than its factorization.

1540543422212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235616 (or 235614 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1540543422212 its reverse (2122243450451), we get a palindrome (3662786872663).

The spelling of 1540543422212 in words is "one trillion, five hundred forty billion, five hundred forty-three million, four hundred twenty-two thousand, two hundred twelve".