1050312213540 has 36 divisors (see below), whose sum is σ = 3185947048284. Its totient is φ = 280083256896.

The previous prime is 1050312213539. The next prime is 1050312213547. The reversal of 1050312213540 is 453122130501.

1050312213540 is a `hidden beast` number, since 1 + 0 + 503 + 1 + 22 + 135 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 284701213476 + 765611000064 = 533574^2 + 874992^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1050312213540² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1050312213547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2917533747 + ... + 2917534106.

It is an arithmetic number, because the mean of its divisors is an integer number (88498529119).

Almost surely, 2^{1050312213540} is an apocalyptic number.

1050312213540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1050312213540 is an abundant number, since it is smaller than the sum of its proper divisors (2135634834744).

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

1050312213540 is a wasteful number, since it uses less digits than its factorization.

1050312213540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835067868 (or 5835067863 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 1050312213540 in words is "one trillion, fifty billion, three hundred twelve million, two hundred thirteen thousand, five hundred forty".