1212352540546 has 32 divisors (see below), whose sum is σ = 2109471759360. Its totient is φ = 511792362576.

The previous prime is 1212352540541. The next prime is 1212352540571. The reversal of 1212352540546 is 6450452532121.

It is a junction number, because it is equal to n+sod(n) for n = 1212352540499 and 1212352540508.

It is not an unprimeable number, because it can be changed into a prime (1212352540541) 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, 20060851 + ... + 20121193.

It is an arithmetic number, because the mean of its divisors is an integer number (65920992480).

Almost surely, 2^{1212352540546} is an apocalyptic number.

1212352540546 is a deficient number, since it is larger than the sum of its proper divisors (897119218814).

1212352540546 is a wasteful number, since it uses less digits than its factorization.

1212352540546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81838.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 1212352540546 in words is "one trillion, two hundred twelve billion, three hundred fifty-two million, five hundred forty thousand, five hundred forty-six".