1212432644152 has 8 divisors (see below), whose sum is σ = 2273311207800. Its totient is φ = 606216322072.

The previous prime is 1212432644131. The next prime is 1212432644153. The reversal of 1212432644152 is 2514462342121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212432644153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75777040252 + ... + 75777040267.

It is an arithmetic number, because the mean of its divisors is an integer number (284163900975).

Almost surely, 2^{1212432644152} is an apocalyptic number.

It is an amenable number.

1212432644152 is a deficient number, since it is larger than the sum of its proper divisors (1060878563648).

1212432644152 is a wasteful number, since it uses less digits than its factorization.

1212432644152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151554080525 (or 151554080521 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

Adding to 1212432644152 its reverse (2514462342121), we get a palindrome (3726894986273).

The spelling of 1212432644152 in words is "one trillion, two hundred twelve billion, four hundred thirty-two million, six hundred forty-four thousand, one hundred fifty-two".