30023020212122 has 128 divisors (see below), whose sum is σ = 54801027187200. Its totient is φ = 12067841949696.

The previous prime is 30023020212091. The next prime is 30023020212137. The reversal of 30023020212122 is 22121202032003.

It is a happy number.

It is a super-2 number, since 2×30023020212122² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30023020212094 and 30023020212103.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3487394954 + ... + 3487403562.

It is an arithmetic number, because the mean of its divisors is an integer number (428133024900).

Almost surely, 2^{30023020212122} is an apocalyptic number.

30023020212122 is a deficient number, since it is larger than the sum of its proper divisors (24778006975078).

30023020212122 is a wasteful number, since it uses less digits than its factorization.

30023020212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30023020212122 its reverse (22121202032003), we get a palindrome (52144222244125).

The spelling of 30023020212122 in words is "thirty trillion, twenty-three billion, twenty million, two hundred twelve thousand, one hundred twenty-two".