1212211012023 has 64 divisors (see below), whose sum is σ = 2141287280640. Its totient is φ = 669152102400.

The previous prime is 1212211012021. The next prime is 1212211012037. The reversal of 1212211012023 is 3202101122121.

It is not a de Polignac number, because 1212211012023 - 2¹ = 1212211012021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212211011987 and 1212211012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212211012021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3715890 + ... + 4028927.

It is an arithmetic number, because the mean of its divisors is an integer number (33457613760).

Almost surely, 2^{1212211012023} is an apocalyptic number.

1212211012023 is a deficient number, since it is larger than the sum of its proper divisors (929076268617).

1212211012023 is a wasteful number, since it uses less digits than its factorization.

1212211012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7744885 (or 7744879 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1212211012023 its reverse (3202101122121), we get a palindrome (4414312134144).

The spelling of 1212211012023 in words is "one trillion, two hundred twelve billion, two hundred eleven million, twelve thousand, twenty-three".