12201402220534 has 16 divisors (see below), whose sum is σ = 18796971053088. Its totient is φ = 5935748997312.

The previous prime is 12201402220531. The next prime is 12201402220577. The reversal of 12201402220534 is 43502220410221.

It is a super-2 number, since 2×12201402220534² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201402220531) 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, 5853474 + ... + 7659370.

It is an arithmetic number, because the mean of its divisors is an integer number (1174810690818).

Almost surely, 2^{12201402220534} is an apocalyptic number.

12201402220534 is a deficient number, since it is larger than the sum of its proper divisors (6595568832554).

12201402220534 is a wasteful number, since it uses less digits than its factorization.

12201402220534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897239.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 12201402220534 its reverse (43502220410221), we get a palindrome (55703622630755).

The spelling of 12201402220534 in words is "twelve trillion, two hundred one billion, four hundred two million, two hundred twenty thousand, five hundred thirty-four".