1212132101011 has 48 divisors (see below), whose sum is σ = 1395982988064. Its totient is φ = 1045961330688.

The previous prime is 1212132101003. The next prime is 1212132101113. The reversal of 1212132101011 is 1101012312121.

It is a happy number.

It is not a de Polignac number, because 1212132101011 - 2³ = 1212132101003 is a prime.

It is a super-2 number, since 2×1212132101011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212132101311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 474043345 + ... + 474045901.

It is an arithmetic number, because the mean of its divisors is an integer number (29082978918).

Almost surely, 2^{1212132101011} is an apocalyptic number.

1212132101011 is a deficient number, since it is larger than the sum of its proper divisors (183850887053).

1212132101011 is a wasteful number, since it uses less digits than its factorization.

1212132101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908 (or 3889 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1212132101011 its reverse (1101012312121), we get a palindrome (2313144413132).

The spelling of 1212132101011 in words is "one trillion, two hundred twelve billion, one hundred thirty-two million, one hundred one thousand, eleven".