1212030153044 has 12 divisors (see below), whose sum is σ = 2147901537600. Its totient is φ = 598343999448.

The previous prime is 1212030153043. The next prime is 1212030153067. The reversal of 1212030153044 is 4403510302121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212030153043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1917768914 + ... + 1917769545.

It is an arithmetic number, because the mean of its divisors is an integer number (178991794800).

Almost surely, 2^{1212030153044} is an apocalyptic number.

It is an amenable number.

1212030153044 is a deficient number, since it is larger than the sum of its proper divisors (935871384556).

1212030153044 is a wasteful number, since it uses less digits than its factorization.

1212030153044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835538542 (or 3835538540 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1212030153044 its reverse (4403510302121), we get a palindrome (5615540455165).

The spelling of 1212030153044 in words is "one trillion, two hundred twelve billion, thirty million, one hundred fifty-three thousand, forty-four".