10120030212 has 12 divisors (see below), whose sum is σ = 23613403856. Its totient is φ = 3373343400.

The previous prime is 10120030163. The next prime is 10120030229. The reversal of 10120030212 is 21203002101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10120030212² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 843335851 = 10120030212 / (1 + 0 + 1 + 2 + 0 + 0 + 3 + 0 + 2 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421667914 + ... + 421667937.

Almost surely, 2^10120030212 is an apocalyptic number.

10120030212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10120030212 is an abundant number, since it is smaller than the sum of its proper divisors (13493373644).

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

10120030212 is a wasteful number, since it uses less digits than its factorization.

10120030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843335858 (or 843335856 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10120030212 its reverse (21203002101), we get a palindrome (31323032313).

The spelling of 10120030212 in words is "ten billion, one hundred twenty million, thirty thousand, two hundred twelve".