21012304214202 has 32 divisors (see below), whose sum is σ = 48030537727872. Its totient is φ = 6003213763584.

The previous prime is 21012304214197. The next prime is 21012304214233. The reversal of 21012304214202 is 20241240321012.

It is a super-2 number, since 2×21012304214202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11725623 + ... + 13398314.

It is an arithmetic number, because the mean of its divisors is an integer number (1500954303996).

Almost surely, 2^{21012304214202} is an apocalyptic number.

21012304214202 is an abundant number, since it is smaller than the sum of its proper divisors (27018233513670).

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

21012304214202 is a wasteful number, since it uses less digits than its factorization.

21012304214202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25143862.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21012304214202 its reverse (20241240321012), we get a palindrome (41253544535214).

The spelling of 21012304214202 in words is "twenty-one trillion, twelve billion, three hundred four million, two hundred fourteen thousand, two hundred two".