1023216306612 has 24 divisors (see below), whose sum is σ = 2402711756256. Its totient is φ = 338899667808.

The previous prime is 1023216306611. The next prime is 1023216306617. The reversal of 1023216306612 is 2166036123201.

It is a super-4 number, since 4×1023216306612⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023216306611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271552338 + ... + 271556105.

It is an arithmetic number, because the mean of its divisors is an integer number (100112989844).

Almost surely, 2^{1023216306612} is an apocalyptic number.

1023216306612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023216306612 is an abundant number, since it is smaller than the sum of its proper divisors (1379495449644).

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

1023216306612 is a wasteful number, since it uses less digits than its factorization.

1023216306612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543108607 (or 543108605 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 1023216306612 in words is "one trillion, twenty-three billion, two hundred sixteen million, three hundred six thousand, six hundred twelve".