1212210001010 has 64 divisors (see below), whose sum is σ = 2228573295360. Its totient is φ = 474644459520.

The previous prime is 1212210000959. The next prime is 1212210001021. The reversal of 1212210001010 is 101000122121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1212210000982 and 1212210001000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192075755 + ... + 192082065.

It is an arithmetic number, because the mean of its divisors is an integer number (34821457740).

Almost surely, 2^{1212210001010} is an apocalyptic number.

1212210001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212210001010 is a deficient number, since it is larger than the sum of its proper divisors (1016363294350).

1212210001010 is a wasteful number, since it uses less digits than its factorization.

1212210001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8531.

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

Adding to 1212210001010 its reverse (101000122121), we get a palindrome (1313210123131).

The spelling of 1212210001010 in words is "one trillion, two hundred twelve billion, two hundred ten million, one thousand, ten".