1212214040044 has 24 divisors (see below), whose sum is σ = 2426052027168. Its totient is φ = 519172314240.

The previous prime is 1212214040039. The next prime is 1212214040047. The reversal of 1212214040044 is 4400404122121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1212214040047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14456977 + ... + 14540584.

It is an arithmetic number, because the mean of its divisors is an integer number (101085501132).

Almost surely, 2^{1212214040044} is an apocalyptic number.

1212214040044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1212214040044 is an abundant number, since it is smaller than the sum of its proper divisors (1213837987124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212214040044 is a wasteful number, since it uses less digits than its factorization.

1212214040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28999065 (or 28999063 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 1212214040044 its reverse (4400404122121), we get a palindrome (5612618162165).

The spelling of 1212214040044 in words is "one trillion, two hundred twelve billion, two hundred fourteen million, forty thousand, forty-four".