202212011020123 has 12 divisors (see below), whose sum is σ = 219118705468920. Its totient is φ = 186524765746176.

The previous prime is 202212011020121. The next prime is 202212011020207. The reversal of 202212011020123 is 321020110212202.

It is not a de Polignac number, because 202212011020123 - 2¹ = 202212011020121 is a prime.

It is a super-2 number, since 2×202212011020123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202212011020123.

It is not an unprimeable number, because it can be changed into a prime (202212011020121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424361161 + ... + 424837402.

It is an arithmetic number, because the mean of its divisors is an integer number (18259892122410).

Almost surely, 2^{202212011020123} is an apocalyptic number.

202212011020123 is a deficient number, since it is larger than the sum of its proper divisors (16906694448797).

202212011020123 is a wasteful number, since it uses less digits than its factorization.

202212011020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849199998 (or 849199985 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 202212011020123 its reverse (321020110212202), we get a palindrome (523232121232325).

The spelling of 202212011020123 in words is "two hundred two trillion, two hundred twelve billion, eleven million, twenty thousand, one hundred twenty-three".