20120100101210 has 32 divisors (see below), whose sum is σ = 37211584987584. Its totient is φ = 7828025040000.

The previous prime is 20120100101203. The next prime is 20120100101239. The reversal of 20120100101210 is 1210100102102.

It is a junction number, because it is equal to n+sod(n) for n = 20120100101191 and 20120100101200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73993316 + ... + 74264735.

It is an arithmetic number, because the mean of its divisors is an integer number (1162862030862).

Almost surely, 2^{20120100101210} is an apocalyptic number.

20120100101210 is a deficient number, since it is larger than the sum of its proper divisors (17091484886374).

20120100101210 is a wasteful number, since it uses less digits than its factorization.

20120100101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148258430.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20120100101210 its reverse (1210100102102), we get a palindrome (21330200203312).

The spelling of 20120100101210 in words is "twenty trillion, one hundred twenty billion, one hundred million, one hundred one thousand, two hundred ten".