1050655212321 has 64 divisors (see below), whose sum is σ = 1684518528000. Its totient is φ = 573952055040.

The previous prime is 1050655212283. The next prime is 1050655212353. The reversal of 1050655212321 is 1232125560501.

It is not a de Polignac number, because 1050655212321 - 2¹⁰ = 1050655211297 is a prime.

It is a super-2 number, since 2×1050655212321² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1050655212391) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106046850 + ... + 106056756.

It is an arithmetic number, because the mean of its divisors is an integer number (26320602000).

Almost surely, 2^{1050655212321} is an apocalyptic number.

1050655212321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1050655212321 is a deficient number, since it is larger than the sum of its proper divisors (633863315679).

1050655212321 is a wasteful number, since it uses less digits than its factorization.

1050655212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15726.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 1050655212321 in words is "one trillion, fifty billion, six hundred fifty-five million, two hundred twelve thousand, three hundred twenty-one".