20211212113202 has 32 divisors (see below), whose sum is σ = 34815580876800. Its totient is φ = 8702890333200.

The previous prime is 20211212113201. The next prime is 20211212113237. The reversal of 20211212113202 is 20231121211202.

It is not an unprimeable number, because it can be changed into a prime (20211212113201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5899199 + ... + 8673117.

It is an arithmetic number, because the mean of its divisors is an integer number (1087986902400).

Almost surely, 2^{20211212113202} is an apocalyptic number.

20211212113202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20211212113202 is a deficient number, since it is larger than the sum of its proper divisors (14604368763598).

20211212113202 is a wasteful number, since it uses less digits than its factorization.

20211212113202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791382.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20211212113202 its reverse (20231121211202), we get a palindrome (40442333324404).

The spelling of 20211212113202 in words is "twenty trillion, two hundred eleven billion, two hundred twelve million, one hundred thirteen thousand, two hundred two".