2120021030212 has 6 divisors (see below), whose sum is σ = 3710036802878. Its totient is φ = 1060010515104.

The previous prime is 2120021030209. The next prime is 2120021030213. The reversal of 2120021030212 is 2120301200212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2096171169856 + 23849860356 = 1447816^2 + 154434^2 .

It is a super-2 number, since 2×2120021030212² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120021030213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265002628773 + ... + 265002628780.

Almost surely, 2^{2120021030212} is an apocalyptic number.

It is an amenable number.

2120021030212 is a deficient number, since it is larger than the sum of its proper divisors (1590015772666).

2120021030212 is a wasteful number, since it uses less digits than its factorization.

2120021030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530005257557 (or 530005257555 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2120021030212 its reverse (2120301200212), we get a palindrome (4240322230424).

The spelling of 2120021030212 in words is "two trillion, one hundred twenty billion, twenty-one million, thirty thousand, two hundred twelve".