1212715153012 has 12 divisors (see below), whose sum is σ = 2315183474016. Its totient is φ = 551234160440.

The previous prime is 1212715152949. The next prime is 1212715153049. The reversal of 1212715153012 is 2103515172121.

It is a congruent number.

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, 13780853968 + ... + 13780854055.

It is an arithmetic number, because the mean of its divisors is an integer number (192931956168).

Almost surely, 2^{1212715153012} is an apocalyptic number.

It is an amenable number.

1212715153012 is a deficient number, since it is larger than the sum of its proper divisors (1102468321004).

1212715153012 is a wasteful number, since it uses less digits than its factorization.

1212715153012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27561708038 (or 27561708036 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 31.

The spelling of 1212715153012 in words is "one trillion, two hundred twelve billion, seven hundred fifteen million, one hundred fifty-three thousand, twelve".