1142553450212 has 6 divisors (see below), whose sum is σ = 1999468537878. Its totient is φ = 571276725104.

The previous prime is 1142553450209. The next prime is 1142553450217. The reversal of 1142553450212 is 2120543552411.

It can be written as a sum of positive squares in only one way, i.e., 987511237696 + 155042212516 = 993736^2 + 393754^2 .

It is not an unprimeable number, because it can be changed into a prime (1142553450217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142819181273 + ... + 142819181280.

It is an arithmetic number, because the mean of its divisors is an integer number (333244756313).

Almost surely, 2^{1142553450212} is an apocalyptic number.

It is an amenable number.

1142553450212 is a deficient number, since it is larger than the sum of its proper divisors (856915087666).

1142553450212 is a wasteful number, since it uses less digits than its factorization.

1142553450212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285638362557 (or 285638362555 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 1142553450212 in words is "one trillion, one hundred forty-two billion, five hundred fifty-three million, four hundred fifty thousand, two hundred twelve".