202312021223216 has 320 divisors, whose sum is σ = 437940590008320. Its totient is φ = 90222063697920.

The previous prime is 202312021223183. The next prime is 202312021223227. The reversal of 202312021223216 is 612322120213202.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7871131421 + ... + 7871157123.

It is an arithmetic number, because the mean of its divisors is an integer number (1368564343776).

Almost surely, 2^{202312021223216} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202312021223216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218970295004160).

202312021223216 is an abundant number, since it is smaller than the sum of its proper divisors (235628568785104).

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

202312021223216 is a wasteful number, since it uses less digits than its factorization.

202312021223216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26044 (or 26038 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 202312021223216 its reverse (612322120213202), we get a palindrome (814634141436418).

The spelling of 202312021223216 in words is "two hundred two trillion, three hundred twelve billion, twenty-one million, two hundred twenty-three thousand, two hundred sixteen".