122112211021012 has 24 divisors (see below), whose sum is σ = 215112892982400. Its totient is φ = 60651389402400.

The previous prime is 122112211020983. The next prime is 122112211021019. The reversal of 122112211021012 is 210120112211221.

It is a happy number.

It is a super-2 number, since 2×122112211021012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112211021019) 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, 116562114 + ... + 117605062.

It is an arithmetic number, because the mean of its divisors is an integer number (8963037207600).

Almost surely, 2^{122112211021012} is an apocalyptic number.

It is an amenable number.

122112211021012 is a deficient number, since it is larger than the sum of its proper divisors (93000681961388).

122112211021012 is a wasteful number, since it uses less digits than its factorization.

122112211021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236951 (or 1236949 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122112211021012 its reverse (210120112211221), we get a palindrome (332232323232233).

The spelling of 122112211021012 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred eleven million, twenty-one thousand, twelve".