1201224343412 has 24 divisors (see below), whose sum is σ = 2120944749000. Its totient is φ = 595241127936.

The previous prime is 1201224343373. The next prime is 1201224343447. The reversal of 1201224343412 is 2143434221021.

It can be written as a sum of positive squares in 4 ways, for example, as 124618884196 + 1076605459216 = 353014^2 + 1037596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4920164 + ... + 5158532.

It is an arithmetic number, because the mean of its divisors is an integer number (88372697875).

Almost surely, 2^{1201224343412} is an apocalyptic number.

It is an amenable number.

1201224343412 is a deficient number, since it is larger than the sum of its proper divisors (919720405588).

1201224343412 is a wasteful number, since it uses less digits than its factorization.

1201224343412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249635 (or 249633 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1201224343412 its reverse (2143434221021), we get a palindrome (3344658564433).

The spelling of 1201224343412 in words is "one trillion, two hundred one billion, two hundred twenty-four million, three hundred forty-three thousand, four hundred twelve".