144909221212 has 24 divisors (see below), whose sum is σ = 306866587104. Its totient is φ = 58450778112.

The previous prime is 144909221153. The next prime is 144909221251. The reversal of 144909221212 is 212122909441.

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, 152215093 + ... + 152216044.

It is an arithmetic number, because the mean of its divisors is an integer number (12786107796).

Almost surely, 2^144909221212 is an apocalyptic number.

It is an amenable number.

144909221212 is an abundant number, since it is smaller than the sum of its proper divisors (161957365892).

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

144909221212 is a wasteful number, since it uses less digits than its factorization.

144909221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304431165 (or 304431163 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 144909221212 in words is "one hundred forty-four billion, nine hundred nine million, two hundred twenty-one thousand, two hundred twelve".