121012120100210 has 16 divisors (see below), whose sum is σ = 217837101105792. Its totient is φ = 48401451390000.

The previous prime is 121012120100153. The next prime is 121012120100243. The reversal of 121012120100210 is 12001021210121.

It is a super-2 number, since 2×121012120100210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424431626 + ... + 424716645.

It is an arithmetic number, because the mean of its divisors is an integer number (13614818819112).

Almost surely, 2^{121012120100210} is an apocalyptic number.

121012120100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012120100210 is a deficient number, since it is larger than the sum of its proper divisors (96824981005582).

121012120100210 is a wasteful number, since it uses less digits than its factorization.

121012120100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849162529.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121012120100210 its reverse (12001021210121), we get a palindrome (133013141310331).

The spelling of 121012120100210 in words is "one hundred twenty-one trillion, twelve billion, one hundred twenty million, one hundred thousand, two hundred ten".