123021211022 has 32 divisors (see below), whose sum is σ = 197323257600. Its totient is φ = 57421900800.

The previous prime is 123021211003. The next prime is 123021211043. The reversal of 123021211022 is 220112120321.

It is a super-2 number, since 2×123021211022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 45647 + ... + 498122.

It is an arithmetic number, because the mean of its divisors is an integer number (6166351800).

Almost surely, 2^123021211022 is an apocalyptic number.

123021211022 is a deficient number, since it is larger than the sum of its proper divisors (74302046578).

123021211022 is a wasteful number, since it uses less digits than its factorization.

123021211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543932.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 123021211022 its reverse (220112120321), we get a palindrome (343133331343).

The spelling of 123021211022 in words is "one hundred twenty-three billion, twenty-one million, two hundred eleven thousand, twenty-two".