122030021412 has 144 divisors (see below), whose sum is σ = 334446403200. Its totient is φ = 37293696000.

The previous prime is 122030021341. The next prime is 122030021413. The reversal of 122030021412 is 214120030221.

It is a happy number.

122030021412 is a `hidden beast` number, since 1 + 220 + 30 + 0 + 2 + 1 + 412 = 666.

It is a super-2 number, since 2×122030021412² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (122030021413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101606412 + ... + 101607612.

Almost surely, 2^122030021412 is an apocalyptic number.

122030021412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122030021412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167223201600).

122030021412 is an abundant number, since it is smaller than the sum of its proper divisors (212416381788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122030021412 is a wasteful number, since it uses less digits than its factorization.

122030021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514 (or 2509 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122030021412 its reverse (214120030221), we get a palindrome (336150051633).

The spelling of 122030021412 in words is "one hundred twenty-two billion, thirty million, twenty-one thousand, four hundred twelve".