121210012212010 has 32 divisors (see below), whose sum is σ = 218689036399872. Its totient is φ = 48370451067840.

The previous prime is 121210012212007. The next prime is 121210012212013. The reversal of 121210012212010 is 10212210012121.

It is an interprime number because it is at equal distance from previous prime (121210012212007) and next prime (121210012212013).

It is a super-2 number, since 2×121210012212010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121210012212013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213160192 + ... + 213728068.

It is an arithmetic number, because the mean of its divisors is an integer number (6834032387496).

Almost surely, 2^{121210012212010} is an apocalyptic number.

121210012212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121210012212010 is a deficient number, since it is larger than the sum of its proper divisors (97479024187862).

121210012212010 is a wasteful number, since it uses less digits than its factorization.

121210012212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617838.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121210012212010 its reverse (10212210012121), we get a palindrome (131422222224131).

The spelling of 121210012212010 in words is "one hundred twenty-one trillion, two hundred ten billion, twelve million, two hundred twelve thousand, ten".